Handbuch der V gel Mitteleuropas is een boek van J rgen Haffer... Lees meer.

Handbuch der V gel Mitteleuropas is een boek van J rgen Haffer... Lees meer.

Los Passerifomes palustres son un grupo taxonomico de pequenas aves que se ubican dentro de las masas de carrizal y otros helofitos ampliamente representado pero escasamente valorado y recientemente estudiado en Iberia. Este libro presenta una vision global de las inv... Lees meer.

Excerpt from Life Histories of North American Jays Crows and Titmice. Order Passeriformes This is the fifteenth in a series of bulletins of the United States National Museum on the life histories of North American birds. The same general plan has been followed as ex... Lees meer.

This work concludes noted ornithologist Tom Roberts magnificent survey of the birds of Pakistan. Together with Volume 1 the work covers 660 species offering detailed descriptions of each supported by 47 full-page plates and over 100 black and white illustrations dra... Lees meer.

Handbuch der V gel Mitteleuropas is een boek van J rgen Haffer... Lees meer.

This comprehensive two-volume set authored by world-famous ornithologist Tom Roberts is the first complete account of the avifauna of Pakistan. Covering 660 species this superb reference book details migration patterns voice descriptions wintering habits and breedi... Lees meer.

One of the most fascinating aspects in the life of birds is their breeding phase which is intimately tied to the distribution and abundance of food resources in their environment. However food is not evenly distributed in space and time and this is thought to have be... Lees meer.

Osnovnaya tsel Opredelitelya sostoit v vozrozhdenii nauchnykh issledovaniy po pterilografii i na etoy osnove v okazanii vsem zainteresovannym vedomstvam i chastnym litsam pomoshchi v taksonomicheskoy diagnostike ptits po stroeniyu ikh per ev raznoy stepeni sokhrannosti... Lees meer.

The anatomical description of the hypothalamo-hypophysial system of the White-crowned Sparrow Zonotrichia leucophrys gambelii as presented in this treatise is by no means of definitive nature. Research in this area in our own laboratories and elsewhere continues at... Lees meer.

Der vorliegende Band der Avifauna Baden-W rttemberg beinhaltet den ersten Teil der Singv gel Fliegenschn pper bis Ammern und beginnt mit den eingehenden Auswertungen zur Biologie der in Baden-W rttemberg festgestellten Vogelarten. In insgesamt 4 B nden 2 B nde ber... Lees meer.

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Vpervye provedeno monograficheskoe opisanie kormovogo povedeniya beloy tryasoguzki Motacilla alba . V 1997-2003 gg. na znachitel nom prostranstve areala vida ot Severnoy Evropy do Zakavkaz ya i Gimalaev issledovan vidovoy stereotip kormovogo povedeniya sdelano bolee... Lees meer.