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APA style (also known as APA format) is a writing style and format for academic documents such as scholarly journal articles and books. It is commonly used for citing sources within the field of behavioral and social sciences, including sociology, education, nursing, criminal justice, anthropology, and psychology.
The cite labels default to decimal but can be styled as alphabetic, Roman or Greek. The in-text cite may be defined with a name so they can be reused within the content and may be separated into groups for use as explanatory notes, table legends and the like. The reference list shows the full citations with a cite label that matches the in-text ...
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.
The Life of Birds is a BBC nature documentary series written and presented by David Attenborough, first transmitted in the United Kingdom from 21 October 1998. A study of the evolution and habits of birds, it was the third of Attenborough's specialised surveys following his major trilogy that began with Life on Earth. Each of the ten 50-minute ...
The word is derived from the Greek φαίνω (phainō), "to show, to bring to light, make to appear" [6] + λόγος (), amongst others "study, discourse, reasoning" [7] and indicates that phenology has been principally concerned with the dates of first occurrence of biological events in their annual cycle.
Another improvement was the appearance of an alula, used to achieve better control of landing or flight at low speeds [citation needed]. They also had a more derived pygostyle, with a ploughshare-shaped end. An early example is Yanornis. Many were coastal birds, strikingly resembling modern shorebirds, like Ichthyornis, or ducks, like Gansus.
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.
”One of the many purposes of this book is to provide the information that will allow general appreciation of the life style and habitat needs of Australia's birds. From the moment it appeared, the Reader's Digest Complete Book of Australian Birds became the pacemaker as the most comprehensive and authoritative of popular references to the ...