Greylag Goose
Anser anser
The greylag is the largest and bulkiest of the grey geese of the genus Anser, but is more lightly built and agile than its domestic relative. It has a rotund, bulky body, a thick and long neck, and a large head and bill. It has pink legs and feet, and an orange or pink bill with a white or brown nail (hard horny material at tip of upper mandible). It is 74 to 91 centimetres (29 to 36 in) long with a wing length of 41.2 to 48 centimetres (16+1⁄4 to 19 in). It has a tail 6.2 to 6.9 centimetres (2+7⁄16 to 2+11⁄16 in), a bill of 6.4 to 6.9 centimetres (2+1⁄2 to 2+11⁄16 in) long, and a tarsus of 7.
ID text from Wikipedia, CC BY-SA 4.0
Pink-footed Goose
Anser brachyrhynchus
It is a medium-sized goose, 60–75 cm (24–30 in) long, the wingspan 135–170 cm (53–67 in), and weighing 1.8–3.4 kg (4.0–7.5 lb). It has a short bill, bright pink in the middle with a black base and tip, similar in pattern to tundra bean goose but pink where that species is orange, and pink feet. The body is mid-grey-brown, the head and neck a richer, darker brown, the rump and vent white, and the tail grey with a broad white tip. The upper wing-coverts are of a somewhat similar pale bluish-grey as in the greylag goose, and the flight feathers blackish-grey.
ID text from Wikipedia, CC BY-SA 4.0
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