View allAll Photos Tagged pigmentation
Are zebras black with white stripes or white with black stripes?
Seriously though, they used to be believed to be white with black stripes because the underbelly is white. They are now however believed to be black with white stripes. Melanocyte skin cells "activate" the dark hair pigmentation. In the case of the white stripes this development is inhibited. Therefore the colour of the hair/fur is black and the white stripes are a lack of colouration.
The blackbuck, (Antilope cervicapra) also known as the Indian antelope, is an antelope commonly found in India. The blackbuck is the sole extant member of the genus Antilope. This shot was taken in Velavadar, Gujarat. My blog on Velavadar can be seen at jagadipsingh.blogspot.in
The white blackbuck here is either albino or leukistic. Albinism in Blackbucks is rare and caused by the lack of 'Melanin'. The animal looks fully white due to the lack of melanin in their skin. Wildlife experts say that the biggest problem with these Albinos is that they are singled out by predators and hunted. These are Albinos.
Leucism is a condition characterized by reduced pigmentation in animals and humans. Unlike albinism, it is caused by a reduction in all types of skin pigment, not just melanin.
The Black Glacier
An unpaved road climbs up to the Ventisquero Negro (Black Glacier), a reconstituted glacier full of sediment that gives it its namesake black pigmentation.
A new lake that is less than 100 years old at the bottom of the glacier has the same green hue as the Manso River and other bodies of water in the region.
Mount Tronador is pure ice at its peak, surrounded by hundred-meter cliffs that generate the rumbling avalanches and landslides.
The debris from the avalanches feed the lower lip of the glacier, giving it its dirty appearance.
The Black Glacier
An unpaved road climbs up to the Ventisquero Negro (Black Glacier), a reconstituted glacier full of sediment that gives it its namesake black pigmentation.
A new lake that is less than 100 years old at the bottom of the glacier has the same green hue as the Manso River and other bodies of water in the region.
Mount Tronador is pure ice at its peak, surrounded by hundred-meter cliffs that generate the rumbling avalanches and landslides.
The debris from the avalanches feed the lower lip of the glacier, giving it its dirty appearance.
I was in the blind when a small flock of American Robins flew in and started to graze on the lawn and also eat the berries on the cedar tree. This leucistic one was in the tree and then flew back into the woods. A little while later it came in for a drink. I got a few quick shots and off it went. It came back a couple days later and I haven't seen it since.
Leucism is a condition that results in the partial loss of pigmentation in an animal causing white, pale, or patchy coloration of the skin, hair, feathers, scales, or cuticles, but not the eyes. Bill's Backyard Bird Blind.
The white tiger or bleached tiger is a pigmentation variant of the Bengal tiger, which is reported in the wild from time to time in the Indian states of Madhya Pradesh, Assam, West Bengal and Bihar in the Sunderbans region and especially in the former State of Rewa.They're not albinos. They're simply tigers that are born with white fur. White fur is a very rare genetic mutation. It occurs in the wild possibly in as few as 1 in 10,000 wild tiger births.
Leucism is defined as a condition in which there is partial loss of pigmentation in an animal resulting in white, pale, or patchy coloration of the skin, hair, feathers, scales or cuticle, but not the eyes. It differs from albinism in which there is no dark pigment at all, the animal appears pure white, and even the eyes appear red.
Leucisitic animals may have some dark pigments and the eyes are the normal color.
I found this young male in my backyard. Lake Wales, Polk County, Florida.
Have never seen him before.
Mating pair on Calstone Down in Wiltshire (UK) - female shows aberrant pigmentation and spot pattern (ab. krodeli) (1120)
Red peonies in a garden can command our attention from a distance. Planted in partial shade, the darkness of the deep red varieties intensifies in contrast to those grown in full sun. When the peony buds are developing and opening under cloudy skies, you will see darker pigmentation than when they develop and bloom in hot sun. That is why the vibrancy and hue of some peonies may vary slightly from one season to the next.
Darker red peonies come in single, double and Japanese style blossoms; some are accentuated with golden stamens peaking through their petals. Black Swan, Bob, Buckeye Belle, Charm, Chief Black Hawk, Old Faithful, Red Charm, Rubra Plena and Topeka Garnet are some of the deep reds that just shout out for attention.
Epipactis palustris - var ochroleuca (Orchidaceae) 188 23
Epipactis palustris name (palustris) refers to its usual choice of a wet marshy habitat. This preference is reflected in the orchids unsurprising common name of the Marsh Helleborine.
This is a species with a huge distribution across temperate Europe and Asia from Britain and Scandinavia in the west to Siberia in the East. It can grow in dense colonies, particularly in the damp, alkaline conditions it prefers such as dune slacks and base rich fens. Epipactis palustris is not however restricted to calcareous soils and although usually in smaller numbers, seems perfectly capable of thriving not just in neutral conditions but also in moderately acid ones.
Unlike many of the members of the Epipactis genus, Epipactis palustris does not seek out shade and indeed will not flourish if surrounding vegetation gets too rank or high. Although its roots require an uninterrupted supply of moisture, the visible parts of the plant seek full sun and this accounts for its total suitability to life in the wet slacks of large dune systems. It is not however a deep rooted orchid and in fact has only a shallow root system which is well suited to vegetative reproduction in wet ground. These shallow roots also maintain the plants nutrient supply by staying clear of the deeper and poorly oxygenated permanent water level.
This is not a particularly variable species but forms with reduced dark pigmentation are common. Here, the red pigmentation is absent altogether, this variant being known as var ochroleuca.
Source: John and Gerry's Orchids of Britain and Europe
Piebald is a genetic abnormality that results in a lack of pigmentation in animals. Both parents must carry the recessive gene to produce an offspring with Piebaldism.
Either way, this baby is awfully cute!
This little cutie got tired of mom cleaning her bottom to keep her scent free from predators. She had play and exploring on her mind and simply walked away from mom as if- I'm clean enough!
Before the blue hydrangea flowers fade they go through several tints ... here they are in their green state! So I put them together with one of my latest miniature vases from Yuta Segawa. The background bokeh is the hydrangea bush beyond the window...
Happy Bokeh Wednesday!
When I looked it up online I discovered ....."Hydrangea flowers can turn green in response to fewer hours of daylight. With less sunlight there is less energy for the flower heads to produce the blue, pink or white pigmentation in the blooms. This causes the hydrangea flowers to fade from their original color to green in late Summer"
Miniature Vases: Here
My Bokeh set: Here
My Hydrangea set: Here
Yesterday looked out my window and this little one was feeding with other birds. I'm not certain but believe it to be a Leucistic Sparrow. An abnormal condition of reduced pigmentation affecting various animals (such as birds, mammals, and reptiles) that is marked by overall pale color or patches of reduced coloring and is caused by a genetic mutation which inhibits melanin and other pigments from being deposited in their feathers.
Male (left) has a smaller pupil and slightly lighter feet and is smaller in size than the female
The blue color of the blue-footed booby's webbed feet comes from carotenoid pigments obtained from its diet of fresh fish. Carotenoids act as antioxidants and stimulants for the blue-footed booby's immune function, suggesting that carotenoid-pigmentation is an indicator of an individual's immunological state. Blue feet also indicate the current health condition of a booby. Boobies that were experimentally food-deprived for forty-eight hours experienced a decrease in foot brightness due to a reduction in the amount of lipids and lipoproteins that are used to absorb and transport carotenoids. Thus, the feet are rapid and honest indicators of a booby's current level of nourishment.
As blue feet are signals that reliably indicate the immunological and health condition of a booby, coloration is favored through sexual selection.
The white Tiger~
( clicked at Indira Gandhi National zoo in Vizag)
The white tiger or bleached tiger is a leucistic pigmentation variant of the Mainland tiger. It is reported in the wild from time to time in the Indian states of Madhya Pradesh, Assam, West Bengal, Bihar, Odisha, in the Sunderbans region and especially in the former State of Rewa.
There is only one tiger species and only two recognized subspecies in the world—the Continental (Panthera tigris tigris) and the Sunda (Panthera tigris sondaica). In fact, this white coat would be a hindrance in the wild, as it doesn’t provide a tiger with any camouflage, which greatly reduces their chance of survival.
Inbreeding all tigers, not just white tigers, is common in captive facilities and inbred animals suffer from a range of significant health problems. Common issues include spinal deformities, defective organs, and immune deficiencies. Instead of admiring the color of the tigers’ coats, we should be asking ourselves why these tigers are here in the first place, instead of in the wild.
Mara North Conservancy, Kenya
during the first game drive of this Kenya trip we saw a very special bird in a mixed bird party that moved around in an area with lots of bushes. We decided to follow them to possibly find and photograph this special bird.
After about 20 minutes of intensive searching we had a brief view and I managed this shot from about 12 m
I think it is a leucistic morph of the Purple Grenadier, the bird shown in my previous post.
Leucism means that an animal has a partial loss in pigmentation.
Granatina ianthinogaster
Blauwbuikgranaatastrild
Cordonbleu violacé
Veilchenastrild oder Purpurgranatastrild
granadero oriental o granadero morado
granatino violaceo o granatino purpureo
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IUCN status: Endangered (EN)
Location: Western Ghats, India.
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This amphibian isn't just any ordinary frog. It has skin that’s so dark, it seems to absorb all light, giving it a mysterious, almost cosmic glow. The name “Galaxy Frog” isn’t just a cool nickname—it’s a nod to its spangled, starry appearance, with speckles and patches of lighter pigmentation that resemble a miniature galaxy across its jet-black body. It’s a perfect blend of nature’s mystery and pure celestial beauty!
A leucistic plains zebra (Equus quagga) living in a herd of normally pigmented zebras. Leucism is a genetic condition in which there is partial loss of pigmentation in an animal resulting in white, pale, or patchy coloration.
Ol Pejeta conservancy, Kenya.
Conservation status: Near Threatened
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They communicate vocally with a type of honking that is very similar to the sounds that geese make. Living in extremely large colonies, they are able to use these sounds as well as non verbal forms of communication to engage with each other. They don’t like their natural environment to be disrupted by noise, people, or other animals though. This can create high levels of stress for them to deal with.
The oldest Greater Flamingo in the world is found in a zoo located in Australia. He is at least 77 years old, but the exact age isn’t known. He was already grown up when he arrived as depicted by the colors of his feathers. The younger ones don’t get the pigmentation until they are at least 3 years of age.
According to Wikipedia Gymnocalycium mihanovichii is a species of cactus from South America. The most popular cultivars are varied mutants which completely lack chlorophyll, exposing the red, orange, or yellow pigmentation. These mutant strains are often grafted onto the hylocereus cactus, and the combined plant is called a "Moon Cactus".
Moon cacti are commonly grown as houseplants and are also known as Ruby Ball, Red Cap, Red Hibotan, or Hibotan cacti.
Most woodland wildflowers are done blooming for the year but this delightful Indian pipe plant is still in fine flowering form! Most Indian pipe plants are pure white and give rise to the common name "ghost plant". This particular plant has some pretty pink pigmentation which was probably picked up from minerals in the surrounding soil. Indian pipe is a flowering plant just like a rose but it lacks chlorophyll and relies on help from nearby fungi for its fuel that the roots tap into.
One of the few species of diurnal owl, the great Snowy Owl (Bubo scandiacus) has evolved with little pigmentation in its feathers. This not only helps to camouflage these birds of prey, but also provides more space for air to be held within its feathers, keeping them warm. These beautiful birds are often spotted near airfields or farmland, perched on telephone poles, as these landscapes are similar to the tundras of the north and allow them to hunt in the ambushing style that they prefer.
I have photographed Red Squirrels, I have photographed Grey Squirrels, but I have never photographed a White Squirrel. I set out recently to try and achieve this.
“White” Grey Squirrels are very scarce in the UK but a huge area of woodland was rumoured to have one.
It took me a long time to track it down. This is no bird feeder raider and is very wary and camera shy ! You wouldn’t believe how elusive a pure white squirrel can be, but, once I managed to work out where it’s territory was, I enjoyed some success. It really knocks your eye out when first seen but it is a master of ghosting away into the abundant cover, and the search has to resume once more.
This Squirrel is not “albino” because it does not have pink eyes. It is actually “leucistic” - lacking pigmentation in the skin but with normal coloured eyes.
It is surviving very well because it’s eyesight is not affected by this condition.
It has been interesting to see this scarce animal and to watch it’s habits. I had no idea that a squirrel’s territory can be so small and how much time they spend resting and hiding away, inactive in their dreys.
Thank you for having a look at my photos. Comments or faves are very welcome and much appreciated.
The leucitic,or "white" Red Kite photographed at Gigrin farm, Rhayader. It's unusual colour is caused by a rare genetic mutation which prevents normal pigmentation of the feathers resulting in predominantly white or pale plumage.
The leucitic,or "white" Red Kite photographed at Gigrin farm, Rhayader. It's unusual colour is caused by a rare genetic mutation which prevents normal pigmentation of the feathers resulting in predominantly white or pale plumage.
Broad Bodied Chaser, (elderly female) females start to loose their colour and become more dull in appearance as they get older, notice some blue pigmentation on the abdomen over what would normally be yellow in younger females.
View large
Spain; Calasparra, Murcia 27/5/22
Wing shape good for Western, all Western Demoiselles on the same site. Pigmentation bizarre
From Wikipedia, "Gymnocalycium mihanovichii, often called chin cactus, is a species of cactus from South America commonly grown as a houseplant. The most popular cultivars are varied mutants which completely lack chlorophyll, exposing the red, orange or yellow pigmentation. These cultivars are often called moon cactus. Since chlorophyll is necessary for photosynthesis, these mutations die as seedlings unless grafted onto another cactus with normal chlorophyll."
This robin bird come to my feeder for couple days now he has a condition named "Leucism" is a condition in which there is partial loss of pigmentation in an animal resulting in white, pale, or patchy coloration of the skin, hair, feathers, scales or cuticle, but not the eyes. Also sorry for the poor quality in the picture my camera is staring to failing recently.
The ear tufts are bent over from the wind. There are also some feathers on the left side of the owl that have blown out from the body. They were so translucent that the areas with little pigmentation appeared to be the same colour as the sky.
Such peanuts lovers they are constantly around any feeders in the fall making their presence known by the noisy calls. I love to observe them as they fly and grab the seeds or peanuts.
"Bird colouration is produced in a variety of ways, of which pigmentation is just one. The blue appearance of many blue birds is due to refraction – a light scattering phenomenon. The barb structure of Blue Jay feathers is such that, when light hits them, the blue light is refracted while the other wavelength of visible light are absorbed by the melanin, making them look blue.
If you come across a Blue Jay feather, try backlighting it. Without direct light, the blue is no longer reflected and the feather will look brown." - NatureCandada.ca
I like this Buck's eyes. They have different pigmentation than those of the others. I haven't got a name for him yet, and names are important. What would you name him?
A blue Whiptail? I was stumped. So I contacted lizard expert and co-author of Lizards of the American Southwest, "The Lizard Guy" Larry Jones. he said the best he could tell, this is a Sonoran Spotted Whiptail (Aspidoscelis sonorae). Larry says: "that sometimes old individuals get lotsa blue pigmentation." He also says for those of you who are into taxa: (A. flagellicauda was subsumed into A. sonorae). All I know is this is the only blue whiptail I have ever seen 💙
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#PeaceLoveConservation, #canonphotography
If it looks like a duck and quacks like a duck but it needs batteries, you probably have the wrong paradigm.
Derick Bailey
Leucism is a partial loss of pigmentation, which can make the animal have white or patchily colored skin, hair, or feathers.
(Milvus milvus) I was really thrilled to be able to photograph this incredibly agile wild leucistic red kite on a recent trip to Mid Wales. Apparently it is a youngster and started appearing at the farm around December time. There are only about 10 of these birds known in the world and three of them have been seen at Gigrin Farm! Leucism is an animal condition in which there is partial loss of pigmentation resulting in white, pale, or patchy coloration of feathers, skin or hair. It is not albinism as they lack the red/pink eyes of a true albino.
This album's name is dedicated to my favourite game of all time Elder Scrolls Online and race of all time, The Argonians (reptile humanoids). There's a story for you to read below about some of them towards the bottom.
What does Ku Vastei mean? Read below
By Lights-the-Way, Mystic of the Mages Guild
It is hard to describe the culture of my people. Often my tongue stumbles as I try to explain, but it is my hope that ink and quill will give me time enough to gather my thoughts. And perhaps, though such writing, I will finally connect the parts of me that now feel so divided; my homeland of Murkmire and my new life within the Mages Guild.
These journals are to become my ku-vastei. And, as I write that, I can think of no better topic to begin with.
Ku-vastei roughly translates to "the catalyst of needed change," though such a direct translation in no way does justice to the original meaning. Another translation could be "that which creates the needed pathway for change to occur" or even "the spark which ignites the flame which must come into being."
Perhaps a more direct analysis should be first presented. Ku-vastei is a noun, a thing or person. Vastei directly translates to change, an important part of my culture. Ku is harder to speak of. It is that which leads to change, though not that which creates change. An important role, as stagnation is a fate worse than death.
Take a boulder which sits atop a cliff, teetering in place. It must fall eventually. The ku-vastei does not push the boulder off the cliff; rather, it picks the pebble which holds the rock in place. And so it falls, not by a push, but by a pathway cleared.
Ku-vastei is revered, just as change itself is revered, for to look back at what was means to stumble as you move forward. Sometimes, a little push in the right direction is all someone needs to remember such wisdom. Other times, they may need to be shoved.
-------------------------------------
The Gee-Rusleel Tribe
by Emmanubeth Hurrent, the Wayfarers' Society of Wayrest
I've had the privilege to speak to two different Miredancer elders now, and I've learned a great deal from both of these conversations. The "Gee-Rusleel," as they call themselves, are among the most introspective Argonians I've met in my travels. They also tend to be the most pleasant. For all their reclusiveness and wariness, I've never met a people more willing to share a meal or a game of Shells and Stones. They are skilled crafters, with a particular knack for working with Hist amber and egg shells. They are also peerless navigators, guiding their flat-bottom boats effortlessly through the swamp, master weavers, and skilled cartographers.
The most defining characteristic of the Miredancer tribe, however, is piety. This deep reverence for the Hist has earned them the right to name a "Sap-Speaker" for countless generations.
According to the elders I spoke with, the Sap-Speaker is the Hist's direct intermediary. (This is, of course, subject to debate. Many tribes boast unique methods of communion with the Hist. But as far as I have seen, the Miredancers make the most compelling case for the methods they use.) Sap-Speakers often go into seclusion for days or even weeks on end, venturing either down into the roots or high into the canopy of leaves in the uppermost branches. Here, they commune with the Hist. Indeed, the word that one of the elders used was "journey."
These journeys into the Hist tax the Sap-Speakers, but are thoroughly private affairs. After days by themselves, the Sap-Speakers emerge to hide away with old books, scrolls, and tablets. I asked after the purpose of these periods of seclusion, and this is what the elders told me. "The Sap-Speaker enters the embrace of the Hist to learn from the great tree," one elder said. "While in close contact with the roots and branches, the Sap-Speaker receives visions and other forms of communication that neither you nor I would understand."
The other elder continued. "Even the Sap-Speaker finds some of what is shown to be mystifying and confusing. I have heard that a Sap-Speaker is treated to ancient metaphors, arcane secrets, and visions that make little sense to creatures so far removed from sap and pulp." Apparently, the second period of seclusion allows the Sap-Speaker time to reflect on what he or she was shown, as well as time to consult with the ancient writings of Sap-Speakers who came before. After a suitable period of study and reflection, the Sap-Speaker emerges to reveal the Hist's will to the tribe.
I attempted to get more information about what happens while the Sap-Speaker meditates among the roots or branches, but I'm not sure the elders knew much more. They did tell me that the only nourishment the Sap-Speaker receives during these periods of seclusion is provided by the Hist itself in the form of sap, leaves, and the otherwise forbidden fruit of the tree.
There is a price to pay for the gift of Hist communion, however. Ingesting large quantities of Hist sap is a dangerous affair, even for Argonians. Sap-Speakers routinely suffer the effects of sap-poisoning, including "gold tongue" (permanent change of mouth pigmentation to a golden hue), unbidden hallucinations, "bark-scale" (thickening and darkening of surface scales), and other maladies they were reticent to talk about. The current Sap-Speaker, Thumarz, was in seclusion during my visit to the tribal village. I hope to meet him someday. If he's half as wise as the elders I interacted with, I'd no doubt learn a great deal from him.
Despite their deeply religious nature, the Miredancers also seem to have an obsession with games of all types. They are particularly fond of the games Nine-Shells and Shells and Stones, as well as sports such as the popular "teeba-hatsei" (also known as "hip and tail ball.") In addition to lovingly explaining their own games, they wanted to know everything I could tell them about the games we play back in Wayrest. I must admit, their enthusiasm was quite infectious! And I found it highly amusing to watch them try to re-create Deceiver's Bones from the vague description I provided.
The Miredancers are also inveterate gamblers, but they often forget to collect their winnings. Unlike the games of men and mer, Miredancer competitions appear to be completely devoid of malice or injured pride. Victory and defeat seem more like afterthoughts than objectives, due in no small part to their phlegmatic disposition. As in most things, their focus is strictly on the moment—the now. It pains me to leave their village, but I still have many more tribes to study. I doubt any of them will be as fascinating or as friendly as the Miredancers.
["the tribe is not currently in the game but in the world of the game"]
A rarity and it took a little bit of sleuthing to identify it, but I believe it is a yellow purple finch. It appeared with several other more typical purple finches in a one time visit to my garden feeders on Oct 4th (2 days ago)----the purple finches were a lifer altogether !
Apparently there could be a hormonal imbalance that accounts for the colouring, as opposed to pigmentation that is a result of the kind of food it has been eating which can, for example, account for atypical colouration in house finches.
Anyway-----if anyone has any comments to share regarding this bird, or has seen one like it for themselves, I would love to hear from you !!
Thank you !
(Milvus milvus) I was really thrilled to be able to photograph this wild leucistic red kite on a recent trip to Mid Wales. Apparently it is a youngster and started appearing at the farm around December time. There are only about 10 of these birds known in the world and three of them have been seen at Gigrin Farm! Leucism is an animal condition in which there is partial loss of pigmentation resulting in white, pale, or patchy coloration of feathers, skin or hair. It is not albinism as they lack the red/pink eyes of a true albino.