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Oligophagy is a term for intermediate degrees of selectivity, referring to animals that eat a relatively small range of foods, either because of preference or necessity. [2] Another classification refers to the specific food animals specialize in eating, such as: Carnivore: the eating of animals Araneophagy: eating spiders; Avivore: eating birds
In certain biotopes, birds constitute the bulk of the diet of various carnivorans, e.g., of adult leopard seals that mostly prey on penguins, the Arctic fox living in coastal areas where colonies of murres, auks, gulls and other seabirds abound and stoats in New Zealand against whom flightless birds like the takahē and kiwi are defenseless.
Commercial bird food is widely available for feeding wild and domesticated birds, in the forms of both seed combinations and pellets. [9] [10]When feeding wild birds, the Royal Society for the Protection of Birds (RSPB) [11] suggests that it be done year-round, with different mixes of nutrients being offered each season.
While a wild diet can never be replicated, it can be used as a guide for a companion parrot’s diet. One aspect that can be mimicked is the variety of foods in the diet. Parrots in the wild spend a lot of time being active, flying and searching for food. In captivity, parrots spend much less energy daily, so the bird will need less food. [10]
Large sums of money are spent by ardent bird feeders, who indulge their wild birds with a variety of bird foods and bird feeders. Over 55 million Americans over the age of 16 feed wild birds and spend more than $3 billion a year on bird food, and $800 million a year on bird feeders, bird baths, bird houses and other bird feeding accessories. [22]
Depending on the food supplies available, Poicephalus parrots are able to cover large distances: brown-necked parrots have been known to fly ca. 80 km (≈ 50 miles) in search of food. Subpopulations of red-fronted parrots have been observed roosting in higher altitude areas before descending to their sources of food, overcoming a difference in ...
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The parrots appeared to express individual preferences as to which of the other test birds they would work with. [30] In an experiment about local enhancement in grey parrots, food was visibly hidden under two separate cups. The experimenter then lifted the first cup and either removed what was under it or put it back.