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“Sometimes you'll find it hard to find, the difference between diamonds in your hand and broken glass on the freeway.” - Iam S. Thomas
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An image useful in showing that there are signifcant subtle differences among cygnets especially. Tundra Swans (Cygnus columbianus) at a local pond, Kelowna, BC.
The same spot on the Eldred river with high water flows, shutter speeds of 1/20 and 1/640 of a second.
A Volvo PV544 in Langen. According to Wikipedia, "In 1958, the PV544 was phased in. Subtle differences with the PV444 included the introduction of a curved one-piece windshield to replace the two panes of flat glass, larger taillights, and a ribbon-type speedometer. "
Kamera-Werke Dresden-Niedersedlitz Praktica FX 2 and Super-Multi-Coated Takumar 1:2/35, Fomapan 400 developed in Rodinal 1+50 for 12min at 20°C and digitalized using kit zoom and extension tubes.
Thank you everyone for your visits, faves and comments, they are always appreciated :)
Adult American Redstart plumages are similar in both spring and fall. There is a marked difference between the mature adult male and female plumages. Probably the most interesting thing about the plumages of this species is the transition between the first fall male (born this spring) and the fully mature adult male. Plate images 1-3 are males, and 6 is a female, and 4,5 could be either sex. See discussion below.
Plate 1 shows the fully mature adult male, and plate 2 by contrast shows a near fully mature adult male. Note the difference in the extension of the black on the chest, and the areas of incomplete black about the face. Plate 2 probably represents a 2nd spring male (born two springs ago).
Plate 3 illustrates some important items. Plate 3 is a first spring male (born the previous spring). What will always be present in the first spring male is black in the lores (area in front of the eye). Beyond that telltale sign of first spring male is a variable amount of black elsewhere in the face and chest. This varies from imperceptible to some touches of black here and there, to more extensive black such as on the chest of this bird. The 2nd item of importance to point out about plate 3 is the yellow in the chest area in front of the wing. A first spring or first fall male often has orange in this area, but not always and this image illustrates that conclusively. More on the importance of that when discussing plate 5.
Plate 4 shows orange in front of the wing and is a fall image. This favors a first fall male, but some adult females may have orangish in front of the wing as well. A look at the over tail coverts (which are well seen in 1) would help separate further.
Black over tail coverts would indicate a male, and olive would indicate female. The retrices (tail feathers) are well seen in 4.
As a rule first fall birds (born preceding spring) would have sharper points to those feathers, and on an adult bird they would be duller. They don't look all that sharp to me in 4.
Plate 5 is the adult female plumage, but the image is from fall, so quite conceivably it could be one of those first fall males that don't have orange in the chest area in front of the wing. Finally plate 6 is the dullest of plumages, the first fall female (born this spring). Notice the lack of color on the wing itself, compared to the adult female plumage in 5.
QUESTIONS TO ASK IN SPRING WHEN YOU HAVE A FEMALE TYPE PLUMAGE:
1. Is there any black in the lores (area in front of the eye)?
2.Is there any black elsewhere on the head/chest?
3.Is there yellow or orange on the chest in front of the wing?
QUESTIONS TO ASK IN FALL WHEN YOU HAVE A FEMALE TYPE PLUMAGE:
1. Is there orange or yellow on the chest in front of the wing?
2.Is there any yellow on the wing itself (wing bar)?
3.Are the over tail coverts olive or black?
Imagine if you were unable to touch or kiss your newborn baby. This is an ordeal thousands of families, whose child arrives too soon, too small or too sick, are forced to go through each year. But you can help. By baking and selling cupcakes, you’ll be raising funds to help support families during what can be a very lonely and frightening time, and to provide a brighter future for their babies.
Some facts and figures:
• There is a shortage of 1,150 nurses to care for the 70,000 babies in need of specialist hospital care in England. Less than a third of units have enough nurses to meet minimum standards.
• Neonatal units are working way above recommended occupancy levels meaning there is no safety net for peaks in the number of babies being admitted to units.
• Families of babies admitted to specialist hospital care face a crippling financial strain on top of the normal costs of having a new baby.
• Over half of parents face the prospect of not being able to stay near their baby in hospital due to a shortage of overnight rooms for families.
Cake A Difference is the annual fundraising initiative from Bliss, the special care baby charity. Bliss offers guidance and information at a critical time in families' lives, funds ground-breaking research and campaigns for babies to receive the best possible level of care regardless of when and where they are born. Cake A Difference 2011 takes place from 14-20 February 2011. For more ideas on how you can support Bliss contact katiaw@bliss.org.uk
Go ahead, bake my day!
Sea Lion versus Seal the difference is the ears among other things. I took this one on the same day as the boats at French Creek.
Scale is everything. Some snowflake are fractions of a millimeter, some are giants. This one? Well, it lets you see the difference!
The large snowflake, from left to right-most edges measures just under 1cm in diameter – pretty much as big as they come! The smaller ones are remarkably smaller – one is obvious in the lower left, but can you find all four smaller crystals in this image? One is incredibly hard to locate. A Where’s Waldo search in a snowflake!
These large crystals are incredibly rare. When snowflakes get this big, their fragility dramatically increases. Only the most stable, calm air can create them. Every time I have encountered a snowflake this large, it was when there was no weather forecast calling for snow, and nothing on the radar. During this shoot, it was actually sunny outside! Thankfully the place where I photograph snowflakes was in shade, but consider this an odd “sun shower” of snow.
The real beauty of a large crystal like this is the puzzle-piece connections in the middle of the snowflake. Some branches grow faster to fill in empty space, and most of the pockets of open air eventually get completely covered by crystal growth. If there is an open space in the middle of the snowflake, air and water vapour can pass through this space, allowing the crystals to grow further and further into it until there is almost no space left.
This snowflake was photographed at only 2.2:1 magnification, whereas most of my snowflakes are shot at much smaller sizes: 5x and beyond. If you encounter a behemoth of a snowflake such as this, you’d only need a regular macro lens on a micro fourth thirds camera, or a set of extension tubes on a larger-sensor camera to make magic. No specialized lenses beyond this! Sad that they are so rare, but they are easy to shoot in terms of equipment.
For all of my snowflake photographs, I use a ring flash. It allows me to change the angle of the camera to change the angle of light in a run-and-gun type scenario, where time is incredibly important. Get the right angle with this diffuse light source, and you’ll get the surface of the snowflake to send “glare” back to the camera. That’s what makes it shine here. What ring flash should you choose? Rather than recommend the Canon MR-14EX II, I’d point people towards the Yongnuo YN-14EX: www.bhphotovideo.com/c/product/1125848-REG/yongnuo_yn_14e... . A fraction of the cost and every bit as good. If you shoot Nikon, I just recently learned that K&F Concept have a ring flash that appears to contain Xenon flash tubes instead of LEDs, and I’ll be getting one soon to test it out and confirm personally: www.kentfaith.com/KF22.008_kf150-ttl-flash-macro-ring-lit...
The Nikon flash is especially interesting because Nikon doesn’t even make a ring flash, and the only other one is a pricey Sigma model. Regardless of e-TTL or iTTL, these flashes can be operated in manual mode on ANY camera body – I’ve used my ring flashes on all types of Lumix bodies and they work just fine.
Want to learn more about the photography and science of snowflakes? Check out Sky Crystals, where you can buy either the book or the poster print: www.skycrystals.ca/
While running errands on Thursday, I noticed that these two big box stores were essentially the same structure with only a few cosmetic differences.
Strobist: AB1600 with gridded 60X30 softbox camera right. AB800 with Softlighter II camera left. Triggered by Cybersync.
Evie Field won the first prize in the spot the difference competition here at Pinhoe Library during the summer holidays, she won the telescope and a M@x goody bag.
Well done Evie!