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Die Birke in unserem Garten ist der Lieblingsplatz des Winzlings zum Singen. / The birch in our garden is the tiny birds favorite place to sing.
Best large and View On Black
[order] Gaviiformes | [family] Gaviidae | [latin] Gavia immer | [UK] Loon | [FR] Plongeon huard | [DE] Eistaucher | [ES] Colimbo Grande | [IT] Strolaga maggiore | [NL] Ijsduiker | [IRL] Great Northern Diver
Measurements
spanwidth min.: 122 cm
spanwidth max.: 148 cm
size min.: 73 cm
size max.: 88 cm
Breeding
incubation min.: 24 days
incubation max.: 25 days
fledging min.: 70 days
fledging max.: 77 days
broods 1
eggs min.: 1
eggs max.: 3
Physical characteristics
The Common Loon in summer is very striking with its black-and-white checkered back, glossy black head, white belly and wing lining, and characteristic white necklace around the throat. All loons have greyish feathers in the winter, and immature birds tend to resemble adult birds in winter plumage. The white feathers of the belly and wing linings are present year-round.
Loons' habit of swimming low in the water helps to distinguish them from other waterbirds, such as ducks and geese. Loons most resemble the grebes, but can be identified by their larger size, thicker necks, and longer bills. In flight, loons can be recognized by their humpbacked profile, with head and neck held low and feet pressed back towards the body and projecting beyond the tail.
Males and females look the same, although males are generally larger. Adults are large-bodied, weighing from 2.7 to over 6.3 kg and measuring almost a metre from bill tip to outstretched feet. The bill is quite large, averaging 75 mm in length, and is black in colour throughout the year.
The skeleton and muscular system are designed for swimming and diving. Loons are streamlined. Their legs are placed far back on their body, allowing for excellent movement in water but making them ungainly on land. The head can be held directly in line with the neck during diving to reduce drag, and the legs have powerful muscles for swimming.
Habitat
Hunting, feeding, resting, preening, and caring for young are the loon's main activities. The bird spends long rest periods motionless on the water. It may rouse itself to stretch a leg or wing at intervals, occasionally comically waggling a foot. When swimming on top of the water it will sit erect with neck slightly curved. The loon will peer underwater, moving its head from side to side to locate prey. It then aims and dives quickly. It will stay underwater for almost a minute and can dive to depths of 80 m. During the dive, feathers are compressed and air is forced from between the feathers and from the air sacs in the body. Loss of air from the air sacs also allows the loon to quietly sink below the water surface to avoid danger.
Adult loons may fly to different lakes to feed. The adaptations that make loons such efficient divers also make them heavy and slow to take wing.
Common Loons spend most of the time on water and have to pull themselves onto land to nest. They generally move one foot at a time to walk, shuffling along with their breast close to the ground. The loon returns to the water by sliding in along its breast and belly. At night, loons sleep over deeper water, away from land for protection from predators.
Other details
This bird inhabits the lakes of the boreal regions of North America, Greenland and Island, moving to coastal waters in winter. The population of Greenland and Island - altogether about 3500-4000 birds - is wintering along the British and Norwegian coasts. Small numbers of individuals reach the coasts from Denmark to Portugal
Feeding
Loons are predators; their diet in summer consists of fish, crayfish, frogs, snails, salamanders, and leeches. Adult loons prefer fish to other food, and seem to favour perch, suckers, catfish, sunfish, smelt, and minnows.
Conservation
This species has a large range, with an estimated global Extent of Occurrence of 10,000,000 km². It has a large global population estimated to be 580,000 individuals (Wetlands International 2002). Global population trends have not been quantified, but the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e. declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as Least Concern. [conservation status from birdlife.org]
Breeding
Loons arrive in pairs on northern lakes in the spring as soon as the ice thaws. They are solitary nesters. Small lakes, generally those between 5 and 50 ha, can accommodate one pair of loons. Larger lakes may have more than one pair of breeding loons, with each pair occupying a bay or section of the lake. Until recently, loons were thought to mate for life. Banding studies have shown that loons will sometimes switch mates after a failed nesting attempt, even between nestings in the same season. Courtship and mating are a quiet time, with the pair swimming and making short dives together. Eventually the male leads the female to a suitable spot on land for mating. Nest building then begins.
Loons build their nests close to the water, with the best sites being completely surrounded by water, such as on an island, muskrat house, half-submerged log, or sedge mat-a clump of grass-like water plants. Generally the birds can slip directly from the nest to water. The same sites are often used from year to year. Loons will use whatever materials are on hand to build their nests. Researchers have found tree needles, leaves, grass, moss, and other vegetation under loon eggs. If material is not handy, loons will lay their eggs directly on the mud or rock. Sometimes clumps of mud and vegetation are collected from the lake bottom to build the nest. Both the male and female help in nest building and with incubation, or warming the eggs, which lasts until hatching, usually 26 to 31 days. If the eggs are lost, the pair may renest, often in the same general location.
Usually two eggs are laid in June, and towards the end of the month loon chicks covered in brown-black down appear on the water. Loon chicks can swim right away, but spend some time on their parents' backs to rest, conserve heat, and avoid predators such as large carnivorous fish, snapping turtles, gulls, eagles, and crows. After their first day or two in the water, the chicks do not return to the nest.
Chicks are fed exclusively by their parents for the first few weeks of life, and up until eight weeks of age the adults are with them most of the time, providing most food. After this time the chicks begin to dive for some of their own food and by 11 or 12 weeks of age, the chicks are providing almost all of their own food and may be able to fly. Chicks are fed small food items early in their life including snails, small fish, crayfish, minnows, and some aquatic vegetation. As they grow, they require more protein, and usually are fed more fish, if available. At migration time, the young are able to look after themselves, and the adults generally leave first, with young following soon after.
Sometimes loons gather into small groups in the summer. In September, group feeding is quite common as loons gather on larger lakes while migrating. Loons are also usually found in groups on the wintering grounds. The life expectancy of the loon may be 15 to 30 years.
Migration
From Iceland and Greenland main departures, singly or in small parties, September-October, though some winter southern coasts. Minority reach winter quarters (e.g. Scotland) from mid-August, probably mainly immatures or failed breeders. Spring return early May to mid-June according to latitude and weather, remaining in bays and fjords until thaw of inland ice. Pre-breeders summer chiefly in northern coastal waters, some regularly in Shetland, but seldom North Sea.
Immer lebe die Sonne / Пусть всегда будет солнце
(70. Jahrestag 2018, Pioniergeburtstag am 13.Dezember)
Plongeon imbrin - Gavia immer
Chausey, Normandy, France
This is the less common of the three Loons that can be found off the French Coasts in Wintertime
Several were visible in "Le Sound", the peaceful channel in front of Chausey Main Island, it is believed they were taking shelter from the frequent storms that have occurred in the area in the last two months, as Loons are not usually that easy to see!
This is what a protective Loon parent does when you get to close to their young, they try to throw the entire lake into the air, or maybe in your face. I took the hint and left the area.
These photos are the last of my series of Loon photos. My next camping trip, I hope to have some sunlight. All these Loon shots were taken under very smoky skies, which made the images a bit dark.
Common Loon chick (Gavia immer) goes for a ride atop its daddy’s back on a lake in northern Wisconsin. This view demonstrates just how far back on its body the little diver’s legs are, perfectly adapted for life on and in the water. It will only go ashore again to nest (or if injured or ill) when it comes to breeding age in 3-5 years. By then it will have acquired the beautiful graphic black and white plumage and signature red eye like the adult. Taken in Lincoln County, WIsconsin on June 9, 2015.
Immer gut in Stimmung - junge Christen aus Frankreich beim IJT 2019.
Young Christians from France on the IYC 2019.
Internationaler Jugendtag der Neuapostolischen Kirche vom 30. Mai bis 02. Juni 2019 in Düsseldorf.
New Apostolic Church International Youth Convention on the weekend of Ascension Day 2019; from Thursday, 30th May until Sunday, 2nd June 2019 in Dusseldorf / Germany.
Zusätzliche Transporte von Bahnbaumachinen werden fast immer von einer Re 420 oder Re 620 gefahren, in diesem Fall jedoch mit einer Eem 923, da die Maschinen am Zielort auf einem Gleis ohne Oberleitung abgestellt werden müssen. SBB Cargo Eem 923 007 kommt aus Biel in Porrentruy an mit Scheuchzer BNA 661, DP 956 und P522 und fährt nach Umlaufen weiter zum Alle Centre Agri.
Extra overbrengingen van werkmaterieel worden vrijwel altijd door een Re 420 of Re 620 gereden maar in dit geval door een Eem 923 omdat de op de bestemming de machines op een spoor zonder bovenleiding geparkeerd moeten worden. SBB Cargo Eem 923 007 komt vanuit Biel aan in Porrentruy met Scheuchzer BNA 661, DP 956 en P522 en zal na omlopen verder gaan naar Alle Centre Agri.
Nach der Hochwasserkatastrophe im Juli 2021 ist die beschädigte Pontonbrücke über die Wupper immer noch gesperrt.
Foto-Aufgabe 8/23: Z fc komplett manuell mit manuellem Objektiv TTArtisan 35 f1.4.
the lignite villages
märz 2015
borschemich
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seit den 1950er jahren bis heute wurden im rheinischen braunkohlerevier zwischen köln, mönchengladbach und aachen 46 dörfer und weiler und vier größere klöster bzw. burganlagen abgerissen. an ihrer stelle fraßen und fressen sich immer noch die großen, bis zu 350 meter tiefen tagebaue durch die landschaft. die bewohner werden umgesiedelt, wer nicht freiwillig geht, wird aus seinem haus herausgeklagt. umsiedlung oder vertreibung - die betroffenen menschen sehen das sehr unterschiedlich.
borschemich - 898 n. chr. erstmals urkundlich erwähnt, höchste einwohnerzahl 760 (in 1970), heute 54 einwohner (im dezember 2014) - muss dem tagebau "garzweiler 2" weichen und ist bereits weitgehend entsiedelt. danach werden noch lützerath, immerath, berverath, keyenberg, kuckum, oberwestrich, und unterwestrich von der erdoberfläche verschwinden. die orte reisdorf, garzweiler, priesterath, stolzenberg, elfgen, belmen, morken-harff, epprath, omagen, königshoven, otzenrath, spenrath, holz und zuletzt pesch sind inzwischen im tagebau garzweiler 2 versunken.
neben garzweiler 2 sind in der gegend noch zwei weitere tagebaue aktiv: "inden" und "hambach". inden ist inzwischen zum stillstand gekommen, nachdem 7 dörfer abgebaggert wurden. hambach wird in den nächsten jahren noch die ortschaften manheim und morschenich mitnehmen.
auffallend ist, dass diese gewaltige zerstörung von landschaft, lebensraum, kultur, heimat in der bundesdeutschen öffentlichkeit kaum wahrgenommen wird. selbst in den umliegenden städten und ballungsgebieten weiß kaum jemand um das ausmaß dieser verwüstung in der nachbarschaft.
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since the 1950s until today some 46 villages and hamlets and four bigger monasteries and castles have been demolished in the rhenish lignite-mining district between cologne, mönchengladbach and aachen. in their place the enormous lignite open pits - up to 350 meters deep - have been gorging through the landscape, and they will proceed. the inhabitants have to leave their homes and villages. those who won't go voluntarily are sued for eviction.
the village of borschemich - founded in 898 a.d., largest population 760 (in 1970), population today 54 (in december 2014) has to give way to the open pit "garzweiler 2". after the demolition of borschemich also lützerath, immerath, berverath, keyenberg, kuckum, oberwestrich and unterwestrich will disappear from the earth's surface. fourteen other villages had shared this fate in the past.
it is quite striking to note that the german public doesn`t really perceive this tremendous destruction of landscape, anthroposphere, culture and heimat. even people in the nearby cities and urban agglomeration don't know much about the dimension of the devastation in their neighbourhood.
It was fun to watch this pair of Loons. The youngster kept nudging his/her dad and it appeared this was a loving couple, male and female. I have since been corrected in my assumption and the little brown one is actually a juvenile.
It was fun to watch this pair of Loons. The youngster kept nudging his/her dad and it appeared this was a loving couple, male and female. I have since been corrected in my assumption and the little brown one is actually a juvenile.
Canon PowerShot G7 X Mark II
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Objektiv mit elf Linsen in neun Gruppen, dazu gehören unter anderem eine beidseitig asphärische Linse, eine einseitig asphärische UA-Linse und eine einseitig asphärische Linse, DIGIC 7-Bildprozessor.
Gewicht 315 g (betriebsbereit)
Abmessungen B x H x T 103 x 60 x 40 mm
Smart Automodus mit 58 Szenen
Hoher Dynamikumfang
Das heißt, wie große Helligkeitsunterschiede die Kamera aufnehmen kann, ohne dass in hellen oder dunklen Bereichen keine Zeichnung mehr ist. Wir bezeichnen das deswegen als Eingangsdynamik, weil es auch eine Ausgangsdynamik gibt. Das bezeichnet dann, wie viele der 256 Helligkeitsstufen der 8-Bit-JPEGs tatsächlich genutzt werden.
Immerhin bietet die G7 X Mark II eine sehr hohe Eingangsdynamik, die von zwölf Blendenstufen bei ISO 125 bis ISO 800 mit elf Blendenstufen nur gering abfällt und sich damit auf höchstem Niveau bewegt.
Oberhalb von ISO 3.200 immer noch gute zehn Blendenstufen.
Bis ISO 800 werden über vier Millionen Farben differenziert, bis ISO 3.200 sind es immer noch gute über zwei Millionen Farben.
Intuitiver, klappbarer Touchscreen
Das Fotografieren aus unterschiedlichen Perspektiven und die intuitive Bedienung per Fingertipp ermöglicht der große 7,5 cm (1.040.000 sRGB-Bildpunkte) klappbare Touchscreen
Auto ND-Filter
Mit dem integrierten ND-Filter und Auto Modus lässt sich die Lichtmenge reduzieren, die bei starker Beleuchtung in die Kamera tritt oder auch bei Nachtaufnahmen die Belichtungszeit verlängern
Kamerainterne Konvertierung
Die RAW-Aufnahmen lassen sich kameraintern verarbeiten, so dass die optimale Bildqualität für das Teilen unterwegs verfügbar ist
- Unterstützung von RAW
Bildstile und 14-Bit RAW-Aufnahmen ermöglichen die nahtlose Integration in EOS Workflows
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Canon PowerShot G7 X Mark II boasts faster performance and improved ergonomics
The G7X II is the first PowerShot camera to include the "Fine Detail" Picture Style preset that was introduced in the 5DS/R DSLRs. The preset allows you to fine-tune sharpness settings including strength, fineness and threshold parameters. The resulting image is more natural-looking and has fewer sharpening artifacts than the default settings. To get the most out of the sensor, though, RAW images converted using good software can produce sharp images with more detail than in-camera JPEGs and fewer artifacts.
Scene modes
•Self Portrait
•Portrait
•Panning
•Star Portrait
•Star Nightscape
•Star Trails
•Star Time-Lapse Movie
•Handheld Night Scene
•High Dynamic Range
•Underwater
•Fireworks
Canon has done an impressive job with the second iteration of the G7 X.
Good for
Travelers seeking a pocketable camera that performs well in low light and offers good control over depth-of-field.
Not so good for
Peak action and sports photography*.
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PS
* SPORTS ??
indem man das Auto-ISO auf "schneller" stellt eignet sie sich sehr wohl für Bewegung, aka sports, animal life and Kids!
Dafür halt etwas mehr Rauschen.
So machen es viele DSLR Kameras auch!
Conclusion
The Canon PowerShot G7 X Mark II is a well-designed enthusiast compact that's a pleasure to use.
It offers a versatile focal range, very good image quality, a large buffer for continuous shooting and 1080/60p video capture. Sharpening and noise reduction in JPEGs are heavy-handed.
SILVER AWARD
:::
Canon G7 X II Review (Jul 2016) Overall score: 81%
+ 4 % Punkte
Canon PowerShot G7 X Review (Nov 2014) Overall score: 77%
Die G7 I liefert (ohne raw zu verwenden) ein Tick bessere JPEG Ergebnisse auch bei low light.
Wer aber mehr haben will und RAW verwendet, bekommt die
bessere Qualität mit der neun G7 X Mark II.
Da RAW in der Kamera, auch als Stapelverarbeitung, möglich ist, kann man von smart RAW sprechen.
Es braucht keinen PC mehr!
°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
Denn viel Einstellungen und alle Canon JPEG picture style Filter können jetzt konfiguriert werden.
Stapelverarbeitung,:
50 Raw schafft die G7 X II in wenigen Minuten zu konvertieren.
Kein Test, Review, scheint das ausprobiert zu haben!
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www.dpreview.com/reviews/canon-powershot-g7-x-mark-ii-rev...