Length: 40 – 47 cm . The nest is a bare scrape on pebbles, on the coast or on inland gravelly islands.
Buffy gray, usually speckled with dark brown. Clutch Size: 2-4 eggs: Number of Broods: 1 brood: Egg Length: 2.2-2.3 in (5.6-5.8 cm) Egg Width: 1.5-1.6 in (3.9-4 cm) Incubation Period: 24-28 days: Egg Description: Buffy gray with dark brown speckling. Nests attended by two females and one male may have 5-6 eggs. Oystercatcher. The maximum clutch size of Eurasian Oystercatchers is four eggs but, because of heavy predation during egg laying, the modal nest contained only three eggs. EGG SIZE OF THE AMERICAN OYSTERCATCHER IN VIRGINIA ERICA NOL,1 ALLAN J. BAKER,2 AND MICHAEL D. CADMAN3 'Department of Zoology, University of Toronto, Toronto, Ontario M5S lAI, Canada; and 2Department of Ornithology, Royal Ontario Museum, 100 Queen's Park Crescent, Toronto, Ontario M5S 2C6, Canada ABSTRACT.-The timing of egg laying, clutch size, and egg size of the … Because it eats cockles, the population is vulnerable if cockle beds are overexploited.
Condition at Hatching: Active and coordinated, covered in …
The oystercatcher is a large, stocky, black and white wading bird. No need to register, buy now! Both eggs and chicks are highly cryptic . Incubation is by both sexes, 24-28 days. Most nests with two or three eggs contain the remains of a four-egg clutch (Ens 1991), but others may be genuine three-egg clutches. Weight: 430 – 800 g. Description.
Scientific name: Haematopus ostralegus. Both adults take turns to incubate the two or three eggs, which are slightly smaller than a domestic hen’s and heavily speckled. In flight it shows a wide, white wing-stripe, a black tail and a white rump that extends as a 'V' between the wings. Conservation status: Amber. Wintering birds: 340,000. It has a long, orange-red bill and reddish-pink legs. Wingspan: 80 – 86 cm. When the oystercatcher chicks hatch they are always fed by the adults, their main food at this time is earthworms, and because the chicks do not feed themselves, usually only two chicks survive to grow to adult size. Status: Resident breeding species. Because of its large numbers and readily identified behaviour, the oystercatcher is an important indicator species for the health of the ecosystems where it congregates. Key facts. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. They breed on almost all UK coasts.
Young: Downy young leave nest shortly after they hatch.
Breeding birds: 110,000pairs. Find the perfect oystercatcher on nest eggs stock photo. 2–4 eggs are laid.