Whooper Swan Bird Information
Whooper Swan bird is a winter visitor forming medium-sized flocks, often in association with other swans. The bird’s Neck usually held straight. Whooper Swan has a yellow base to black bill, which extends forward to form a clear point, accentuating flat crown-bill profile. Generally noisy, especially in flight, when wingbeats produce whistling noise.
Status: The bird is a regular winter visitor mainly from Iceland; the largest numbers in Scotland and Ireland.
Similar Species:
Mute Swan is the same size but has an orange bill and holds the neck in ‘S’. Smaller Bewick’s Swan has a concave (not flat) crown-bill profile.
Whooper Swan Bird Facts
Type | goose-like |
Size | 145-160 cm (57-63 in) |
Habitat | freshwater, estuaries, field |
Behavior | swims, up-ends, walks, takes off and lands on water or ground |
Flocking | 1-100 |
Flight | labored; direct |
Voice | loud, trumpeting whoop |
Bird Identification
Adult: | |
Crown | white |
Upperparts | white |
Rump | white |
Tail | white; short and square |
Throat | white |
Breast | white |
Belly | white |
Bill | black with a yellow base, duck-like |
Legs | black; short |
Juvenile | brownish grey, pinkish bill |
Whooper bird’s Nesting and Breeding
Nest | Lined scrape near water |
Eggs | 4-6; white |
Incubation | 27-29 days |
Young | active; downy |
Fledging | 8 weeks |
Broods | 1; June-July |
Food | grass, grain |
Population | 200-300 winter |
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https://www.birdsinfo.org/grey-heron-ardea-cinerea/