By Melissa C. McDade
Grzimek's scholar Animal existence source: Birds deals readers accomplished and easy-to-use info on Earth's birds. Entries are prepared through taxonomy, the technology during which dwelling issues are categorised into comparable teams. each one access comprises sections on actual features; geographic diversity; habitat; nutrition; habit and replica; animals and other people; and conservation prestige. relations entries are via a number of species money owed and a variety map and picture or representation for every species. Entries finish with a listing of books, periodicals, and sites that could be used for extra study.
Each quantity of Grzimek's scholar Animal existence source: Birds encompasses a pronunciation advisor for medical names, a thesaurus, an summary of birds, a listing of species within the set by way of biome, an inventory of species by means of geographic position, and an index. The set has 640 full-color maps, images, and illustrations to brighten up the textual content, and sidebars supply extra proof and similar information.
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Additional resources for Birds
For example, hawks have sharp talons for hunting and ducks have webbed feet to help them swim. Some of the birds that spend most of their lives in the air or on the water are not good at walking. Most birds have four toes, but some have three, and ostriches have only two. BIRDS’ SENSES Sight For most birds, sight is their best sense. They can see much better than humans, and they can see in color, unlike many mammals. Rectrix Filoplume Remex Bristle Down A bird’s stiffest feathers are the remex feathers of the wing and the retrix feathers of the tail.
These nests are anchored in the forks of tree branches. Both parents usually incubate the eggs, or sit on them until they are hatched. After fourteen days, the plain brown chicks hatch. Their striking coloring appears after they molt, shed their feathers. MONARCH FLYCATCHERS AND PEOPLE Monarch flycatchers are potential attractions for ecotourism, an industry based on attracting tourists to view birds, animals, and environments. CONSERVATION STATUS Five species of monarch flycatcher are Critically Endangered, facing an extremely high risk of extinction in the wild, and six are Vulnerable, facing a high risk of extinction in the wild.
Fourteen are Near Threatened, in danger of becoming threatened with extinction, and two are Extinct, no longer exist. 1116 Grzimek’s Student Animal Life Resource African paradise-flycatcher (Terpsiphone viridis) Resident AFRICAN PARADISE-FLYCATCHER Terpsiphone viridis SPECIES ACCOUNTS Physical characteristics: African paradise-flycatchers are the largest paradise-flycatchers in Africa. They have a tail that is twice as long as their body. The head and crest are bluish black, and they have a bright blue ring around the eye.