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A pellet, in ornithology, is the mass of undigested parts of a bird's food that some bird species occasionally regurgitate. The contents of a bird's pellet depend on its diet, but can include the exoskeletons of insects, indigestible plant matter, bones, fur, feathers, bills, claws, and teeth. In falconry, the pellet is called a casting.
Pellet (ornithology), regurgitated by birds; Pellets (petrology), a carbonate sedimentary structure in limestone; Pellet (steel industry), a processed form of iron ore; Pellet fuel, mostly as wood pellets used as biofuel; Pellet (software), an OWL semantic reasoner; Pellet stove, to burn compressed wood or biomass pellets
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.
Ornithology is a branch of zoology that concerns the study of birds. [1] Several aspects of ornithology differ from related disciplines, due partly to the high visibility and the aesthetic appeal of birds. [2] It has also been an area with a large contribution made by amateurs in terms of time, resources, and financial support.
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The Chocó screech owl's breeding season appears to be January to March, based on the one nest that has been found and the collection of a female with a partially formed egg. The nest was in a natural cavity in the trunk of a dead tree. The bottom of the cavity contained bark, wood dust, dry leaves, pellets, remains of prey, and eggshell fragments.
In 2018, the American Ornithology Society announced a partnership with Oxford University Press to publish The Condor: Ornithological Applications and The Auk: Ornithological Advances. [ 3 ] In January 2021, The Condor was renamed as Ornithological Applications to make the title more descriptive and clarify its thematic focus and citation. [ 4 ]
Their pellets are often composed of bones, fur and feathers. Antarctic shags usually forage alone or in small groups. [ 4 ] [ 2 ] Most of the Antarctic shag's diet is composed of fish , [ 13 ] but can also include crustaceans , octopuses , snails , worms , slugs and other invertebrates. [ 4 ]