Pyle 2008, reported that the crest is broader in Eurasian, vs. limited to a narrower ridge down the nape in American, and I did not check this specifically. Martin, Your email address will not be published. The common merganser eats fish. Once they are airborne, the flight is strong and rapid. , Nesting is normally in a tree cavity, so it requires mature forest as its breeding habitat; they also readily use large nest boxes where provided, requiring an entrance hole 15 cm (5.9 in) in diameter. https://www.alamy.com/stock-image-common-blue-butterfly-polyommatus-icarus-adult-male-feeding-on-heather-165960982.html, Common Mormon mating at Butterfly park Bannerghatta Bangalore Karnataka India Asia, https://www.alamy.com/stock-photo-common-mormon-mating-at-butterfly-park-bannerghatta-bangalore-karnataka-95880985.html. Winters in much of the USA, coastal regions of south-east Europe, central Asia, east coast of China, Korea, and Japan. Winter (December) 2009, https://www.alamy.com/stock-photo-spectacular-sunrise-above-irishmans-wall-on-belstone-common-dartmoor-29234636.html, Common Merganser / Goosander (Mergus merganser) flock swimming in river, Germany, https://www.alamy.com/stock-photo-common-merganser-goosander-mergus-merganser-flock-swimming-in-river-43461648.html, https://www.alamy.com/moon-jellyfish-common-jellyfish-moon-jelly-or-saucer-jelly-aurelia-aurita-image218683565.html, Common or Plains zebra (Equus quagga burchellii)crossing the Mara River. The males have greenish, black heads, white bodies and black backs in breeding plumage. Females, if possible, choose small oxbow lakes for the chicks’ first days, or sections of rives with weaker currents, so that the chicks are not taken by a current that may be too strong. Causse de Gramat, Lot region, France. As a result, the eggs and the incubating female are safer than on the ground, they are not threatened by some predators, such as foxes, and also the nest will not be flooded with the raising water level in the river. Powys, Wales. , Like the other mergansers, these piscivorous ducks have serrated edges to their bills to help them grip their prey, so they are often known as "sawbills". Scientific name: Papilio clytia.  When not diving for food, they are usually seen swimming on the water surface, or resting on rocks in midstream or hidden among riverbank vegetation, or (in winter) on the edge of floating ice. , Overall, the species is not threatened, though illegal persecution by game fishing interests is a problem in some areas. They often rest in this way after going for their prey and diving, as well as basking in the sun. Exmoor National Park. Common Blue nectaring on Tansy flowers. The population wintering in Poland is a little larger, although difficult to estimate, as it changes from year to year depending of the weather and the freezing over of individual water reservoirs. However, couples do not mate until spring, around March. Identification As their common name suggests, they are often seen hovering or nectaring at flowers. The common merganser (North American) or goosander (Eurasian) (Mergus merganser) is a large seaduck of rivers and lakes in forested areas of Europe, the northern and central Palearctic, and North America. This is variable in American birds and any differences are probably merely tendencies and too variable to be used for identification. Banteay Srei Butterfly Centre, Siem Reap Province, Cambodia. UK. In resting plumage both sexes look alike, although the males have more white on the wing. https://www.alamy.com/junonia-coenia-known-as-the-common-buckeye-or-buckeye-on-new-england-aster-it-is-in-the-family-nymphalidae-image373083846.html, https://www.alamy.com/common-giraffe-in-amboseli-national-park-kenya-east-africa-image65950271.html. Merganser is a species that appear widely, it lives not only in Europe, but also over large areas of central Asia, as well as in North America. PTPP „pro Natura”, 2003. www.learner.org, International scientific conference “Biodiversity conservation in cities” Warsaw, 16-17 March 2018, The little ringed plover and common ringed plover. The common merganser dives for prey like fish, mollusks, and crustaceans. Thanks to:https://www.flickr.com/photos/bnsd/. Note the Male and Female Goosander both have a sharply defined white throat with a clean line between brown and white, unlike the Red-breasted Merganser with which it is easily confused. https://www.alamy.com/stock-photo-male-common-blue-butterfly-polyommatus-icarus-perched-on-a-grass-stem-96411156.html, Common Cockchafer or May Bug (Melolontha melolontha), larva, North Rhine-Westphalia, Germany, https://www.alamy.com/common-cockchafer-or-may-bug-melolontha-melolontha-larva-north-rhine-image67383493.html. England. It may be that such a peaceful reservoir is a pond in an urban park. https://www.alamy.com/stock-photo-the-common-mime-butterfly-form-dissimilis-on-a-flower-scientific-name-88077272.html, Common Porcupinefish, Diodon hystrix, Medhu Faru Reef, South Male Atoll, Maldives, https://www.alamy.com/stock-photo-common-porcupinefish-diodon-hystrix-medhu-faru-reef-south-male-atoll-26369731.html, A Common King Snake attacks a Long nosed snake near Fountain Hills outside of Phoenix Arizona, https://www.alamy.com/stock-photo-a-common-king-snake-attacks-a-long-nosed-snake-near-fountain-hills-18378548.html, Common Sergeant Butterfly (Athyma perius), https://www.alamy.com/stock-photo-common-sergeant-butterfly-athyma-perius-88393606.html, Mynydd Illtyd Common Brecon Beacons Brecon Powys Wales, https://www.alamy.com/stock-photo-mynydd-illtyd-common-brecon-beacons-brecon-powys-wales-30503270.html, Pair of Common european toads (Bufo bufo) with strings of toadspawn, in pond, Germany, https://www.alamy.com/stock-photo-pair-of-common-european-toads-bufo-bufo-with-strings-of-toadspawn-71427783.html. The nest can be very high, even at some dozen or so metres above ground. The bill and legs are red to brownish-red, brightest on adult males, dullest on juveniles. The goosander is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds applies. Identification tips for Greenland Greater White-fronted Goose, New Product – A ten pack of greeting cards with art and text from my newest book, Scarlet Tanagers are bright red – but this one is yellow, A Cerulean-like song variant of Black-throated Blue Warbler, Exhibit of original art from "What it's like to be a bird" - Canton, MA, narrower dark bases of greater coverts hidden by overlapping white median coverts (vs broader black bases with about 5-10 mm of black bar exposed), slightly paler gray on rump. All the best, Common Blue Butterfly, Polyommatus icarus, single adult resting on dried grass. https://www.alamy.com/stock-photo-common-blue-butterfly-polyommatus-icarus-adult-female-on-the-causse-91793390.html, Common jellyfish (Aurelia aurita), blue, Red Sea, Egypt, https://www.alamy.com/stock-photo-common-jellyfish-aurelia-aurita-blue-red-sea-egypt-143781871.html, Huge swarm of Moon, saucer or Common Jellyfish photographed from surface, Loch Na Keal, Isle of Mull, https://www.alamy.com/stock-photo-huge-swarm-of-moon-saucer-or-common-jellyfish-photographed-from-surface-34554942.html, https://www.alamy.com/stock-photo-mergus-merganser-common-merganser-goosander-female-dumfries-scotland-72581842.html, https://www.alamy.com/stock-photo-common-merganser-goosander-18523097.html, https://www.alamy.com/stock-photo-common-blue-butterfly-polyommatus-icarus-single-female-on-pyramidal-93926970.html, https://www.alamy.com/stock-photo-daisy-flower-18097504.html, Porlock Common with views to Porlock Bay, Exmoor, Somerset, England. Many of them do not reach old age, because many predators prey on them, both on land, such as martens and foxes, as well as in the water, such as pikes and herons.