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Etiqueta: "observació dels ocells" (3)

What can research on albatrosses and shearwaters teach us about the population dynamics of long-lived ...<br/>organisms? Daniel Oro
00:31:07
What can research on albatrosses and shearwaters teach us about the population dynamics of long-lived ...
organisms? Daniel Oro
biologiaAnglès3 oct. 2016792Compared to most wildlife groups, many species of albatrosses and shearwaters are relatively easy to capture at breeding colonies. This has allowed researchers to mark and recapture individuals over the years, even for several decades. This has resulted in an outstanding number of studies estimating a range of demographic parameters (including survival, recruitment and dispersal) and assessing ...
New approaches to an old question: exploring the evolutionary history of albatrosses and petrels. Andreanna J. ...<br/>Welch
New approaches to an old question: exploring the evolutionary history of albatrosses and petrels. Andreanna J. ...
Welch
biologiaAnglès3 oct. 2016718Albatrosses and petrels are charismatic species of the open ocean, and their major lineages are characterized by diverse morphologies and ecologies. However, understanding their taxonomy and systematics has been challenging. Hypotheses have been obtained from examination of osteology, fine-scale morphological details, single gene sequences, and even the helical twists of their intestines. These ...
Génesis de un genio: Konrad Lorenz
00:53:22
Génesis de un genio: Konrad Lorenz
biologiaCastellà15 des. 19881284Biografía del etólogo Konrad Lorenz y sus estudios sobre la conductas de los pájaros y su forma de investigación.
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