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On average, captive animals (especially mammals) live longer than wild animals. This may be due to the fact that with proper treatment, captivity can provide refuge against diseases, competition with others of the same species and predators. Most notably, animals with shorter lifespans and faster growth rates benefit more from zoos than animals ...
The eastern bluebird (Sialia sialis) is a small North American migratory thrush found in open woodlands, farmlands, and orchards. The bright-blue breeding plumage of the male, easily observed on a wire or open perch, makes this species a favorite of birders.
Steller's jay is about 30–34 cm (12–13 in) long and weighs about 100–140 g (3.5–4.9 oz). Steller's jay shows a great deal of regional variation throughout its range. Blackish-brown-headed birds from the north gradually become bluer-headed farther south. [8]
If you are allowing them to nest you would do bluebirds a big favor by refraining from putting any nest boxes up! Three or four broods of house sparrows can produce 20-30 young house sparrows ...
More than 200 others live in captivity. The largest land bird in North America with a wing-span of 9.5 feet (2.9 meters), condors have been protected in the U.S. as an endangered species since 1967. Many conservationists consider it a miracle any still exist at all.
Cassowary feces, containing traces of seeds. Cassowaries feed on the fruit of several hundred rainforest species and usually pass viable seeds in large, dense scats. They are known to disperse seeds over distances greater than a kilometre, thus playing an important role in the ecosystem.
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It is the largest rosella at 37 cm (14.5 in) long. Ranging in size from 26–37 cm (10– 14 + 1 ⁄ 2 in), rosellas are medium-sized parrots with long tails. [12] The feathers on their backs show an obvious scalloping appearance with colouring that differs between the species. [12] All species have distinctive cheek patches. [12]