By Melissa C. McDade
Grzimek's pupil Animal existence source: Birds bargains readers entire and easy-to-use info on Earth's birds. Entries are prepared by way of taxonomy, the technological know-how wherein dwelling issues are categorized into comparable teams. every one access comprises sections on actual features; geographic diversity; habitat; vitamin; habit and copy; animals and other people; and conservation prestige. kin entries are through a number of species bills and a spread map and photograph or representation for every species. Entries finish with a listing of books, periodicals, and sites which may be used for extra examine.
Each quantity of Grzimek's pupil Animal existence source: Birds incorporates a pronunciation consultant for medical names, a thesaurus, an outline of birds, a listing of species within the set by way of biome, an inventory of species via geographic position, and an index. The set has 640 full-color maps, photographs, and illustrations to liven up the textual content, and sidebars supply extra evidence and similar information.
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Additional info for Birds
Pollinate: To transfer pollen from the male organ to the female organ of a flower. Polyandry: A mating system in which a single female mates with multiple males. Polygamy: A mating system in which males and females mate with multiple partners. Polygynous lek: A mating system in which several males display together for the attention of females. A female, after watching the displaying males, may mate with one or more males in the lek. Polygyny: A mating system in which a single male mates with multiple females.
Cryptic: To be colored so as to blend into the environment. D Deciduous: Shedding leaves at the end of the growing season. Deciduous forest: A forest with four seasons in which trees drop their leaves in the fall. Decurved: Down-curved; slightly bent. Defensive posture: A position adopted to frighten away potential predators. Deforestation: Those practices or processes that result in the change of forested lands to non-forest uses, such as human settlement or farming. This is often cited as one of the major causes of the enhanced greenhouse effect.
BirdLife International. net (accessed on May 3, 2004). ” Birdlife International. html (accessed on May 3, 2004). National Audubon Society. org (accessed on May 3, 2004). National Wildlife Federation. org (accessed on May 3, 2004). The Nature Conservancy. org (accessed on May 3, 2004). Getting to Know Birds lv MONARCH FLYCATCHERS Monarchidae Class: Aves ▲ Order: Passeriformes Family: Monarchidae Number of species: 96 species family C H A P T E R PHYSICAL CHARACTERISTICS phylum Monarch flycatchers are small to medium birds that are 5 to 21 inches (13 to 53 centimeters) long.