Télécharger Helpers at Birds' Nests: A Worldwide Survey of Cooperative Breeding and Related Behavior Livre

Titre	Helpers at Birds' Nests: A Worldwide Survey of Cooperative Breeding and Related Behavior
Publié	3 years 7 months 8 days ago
Taille du fichier	1,228 KiloByte
Temps	57 min 49 seconds
Qualité	AAC 44.1 kHz
Nombre de pages	183 Pages
Fichier	helpers-at-birds-nes_E0kMF.epub
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Helpers at Birds' Nests: A Worldwide Survey of Cooperative Breeding and Related Behavior

Catégorie: Romance et littérature sentimentale, Cuisine et Vins, Humour
Auteur: James A. Baldwin
Éditeur: Indie A
Publié: 2017-11-26
Écrivain: Henry Kissinger, Tom Butler-Bowdon
Langue: Tagalog, Hollandais, Albanais, Croate, Tamil
Format: Livre audio, pdf

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(PDF) Post-Fledgling Survival of the Cooperatively ... - We test whether helpers (more than two adult birds cari ng for young), age, sex, body mass of nestlings prior to fledgi ng, fledging dat e w ithin a year (Julian date), and year of fledg -

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Potential host species fatally attack female Eastern Koel ... - Cooperative breeders, which are characterized by extra adult 'helpers' that assist in raising the offspring of the breeding pair, may be such species. The extra activity of the helpers around the ...

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Ecological influences and the biogeographic distribution ... - This genus provides an ideal system for investigating the ecology of social evolution because the species are easy to manipulate and possess social behaviours ranging from nearly solitary to highly social. Social species cooperate to build communal nests, capture prey, and raise young, and groups may persist for many generations. Most Anelosimus species exhibit subsocial behaviours, in which siblings cooperate for a portion of their life cycle, but disperse each generation prior to sexual ...

Helpers at Birds' Nests: A Worldwide Survey of Cooperative ... - Helpers at Birds' Nests: A Worldwide Survey of Cooperative Breeding and Related Behavior Paperback - March 1, 1999 by Alexander F. Skutch (Author), Dana Gardner (Illustrator) 4.0 out of 5 stars 1 rating. See all formats and editions Hide other formats and editions. Price New from Used from Hardcover "Please retry" $7.99 . $24.99: $2.23: Paperback "Please retry" $26.00 . $26.00: $11.00 ...

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(PDF) Occasional cooperative breeding in birds and the ... - For the last 40 years, the study of cooperative breeding (CB) in birds has proceeded primarily in the context of discovering the ecological, geographic and behavioral drivers of helping. The ...

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Breeding Biology of Rainbow Bee-Eaters (Merops Ornatus): A ... - Those birds not only forage in an energetically unpredictable environment; they also have a complex social system, whereby failed breeders join other nests as helpers, thereby radically altering the provisioning rate to the nest (Emlen et al. 1991). One nest in three gains an extra helper in that manner . That additional source of ...

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Helpers at birds' nests: a worldwide survey of cooperative ... - In Helpers at Birds' Nests, renowned naturalist and ornithologist Alexander Skutch provides vivid, detailed accounts of a remarkable aspect of bird behavior--the aid that one bird gives another who is neither its mate nor its dependent young and who may even belong to a different species. In graceful, clear prose, Skutch makes accessible to amateur bird-watchers examples of cooperation in ...

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(PDF) Differences in cooperative behavior among Damaraland ... - PDF | In many cooperative breeders, the contributions of helpers to cooperative activities change with age, resulting in age-related polyethisms. | Find, read and cite all the research you ...

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