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Drinking birds, also known as dunking birds, drinky birds, water birds, or dipping birds [1] [2] [3] are toy heat engines that mimic the motions of a bird drinking from a water source. They are sometimes incorrectly considered examples of a perpetual motion device.
Bird Neighbors (1897) by Neltje Blanchan was an early birding book which sold over 250,000 copies. [1] It was illustrated with color photographs of stuffed birds. [2] The Field Guide to the Birds by Roger Tory Peterson is regarded as the key birding book of the 20th century, due to its impact on the development and popularisation of birding.
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It was published by Random House Books for Young Readers on June 12, 1960, as part of its Beginner Books series, which caters to young children ages 3–9. Based on a 2007 online poll, the National Education Association listed the book as one of its "Teachers' Top 100 Books for Children". [ 1 ]
Birds of North America, by Chandler Robbins and Bertel Bruun (1966) Eastern Birds , by James Coe (1994) — limited release in original but continued by St. Martin's Press Families of Birds , by Oliver L. Austin (1971) — originally published as a Golden Guide (small format) and later, slightly modified, as Golden Field Guide (large format ...
The book explores birds as thinkers (contrary to the cliché "bird brain") in the context of observed behavior in the wild and brings to it the scientific findings from lab and field research. [2] New research suggests that some birds, such as those in the family corvidae, can rival primates and even humans in forms of intelligence.
The Sibley Guide to Birds is a reference work and field guide for the birds found in the continental United States and Canada. It is written and illustrated by ornithologist David Allen Sibley . The book provides details on 810 species of birds, with information about identification, life history, vocalizations, and geographic distribution.
Smullyan's exposition takes the form of an imaginary account of two men going into a forest and discussing the unusual "birds" (combinators) they find there (bird watching was a hobby of one of the founders of combinatory logic, Haskell Curry, and another founder Moses Schönfinkel's name means beautiful spark (or possibly beautiful little-finch).