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The Peterson Field Guides (PFG) are a popular and influential series of American field guides intended to assist the layman in identification of birds, plants, insects and other natural phenomena. The series was created and edited by renowned ornithologist Roger Tory Peterson (1908–1996).
This list of birds of Illinois includes species documented in the U.S. state of Illinois and accepted by the Illinois Ornithological Records Committee (IORC). As of March 2024, there are 455 species and two species pairs included in the official list. [ 1 ]
Pigeons and doves are stout-bodied birds with short necks and short slender bills with a fleshy cere. They feed on seeds, fruit, and plants. Unlike most other birds, the doves and pigeons produce "crop milk," which is secreted by a sloughing of fluid-filled cells from the lining of the crop. Both sexes produce the highly nutritious substance to ...
Galliformes / ˌ ɡ æ l ɪ ˈ f ɔːr m iː z / is an order of heavy-bodied ground-feeding birds that includes turkeys, chickens, quail, and other landfowl.Gallinaceous birds, as they are called, are important in their ecosystems as seed dispersers and predators, and are often reared by humans for their meat and eggs, or hunted as game birds.
Trees and forests provide a habitat for many species of animals and plants. Tropical rainforests are among the most biodiverse habitats in the world. Trees provide shade and shelter, timber for construction, fuel for cooking and heating, and fruit for food as well as having many other uses. In much of the world, forests are shrinking as trees ...
Herbivory is of extreme ecological importance and prevalence among insects.Perhaps one third (or 500,000) of all described species are herbivores. [4] Herbivorous insects are by far the most important animal pollinators, and constitute significant prey items for predatory animals, as well as acting as major parasites and predators of plants; parasitic species often induce the formation of galls.
Poultry – category of domesticated birds kept by humans for the purpose of collecting their eggs, or killing for their meat and/or feathers. Sheep – are quadrupedal, ruminant mammals typically kept as livestock. Produce – farm-produced goods, not limited to fruits and vegetables (i.e. meats, grains, oats, etc.).
The American bushtit, or simply bushtit (Psaltriparus minimus), is a social songbird belonging to the genus Psaltriparus.It is one of the smallest passerines in North America and it is the only species in the family Aegithalidae that is found in United States; the other seven species are found in Eurasia.