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Vagrancy in Birds: A Book Review

10,000 Birds

The authors aim “for the first time [to] systematically explore the taxonomic and geographic patterns of extralimital avian occurrence globally and try to synthesize what we know about the processes that underpin these occurrences, based on the latest scientific discoveries” (p. other compass senses like the stars?–and

Birds 262
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Pigeons have tiny compasses in their heads

10,000 Birds

But early in the process of learning about the Efe I made a foray into the literature available in the 1980s of orientation and navigation, and this included the literature on birds. David Dickman, in the April 26th Science Express , write: Many animals rely on the Earth’s magnetic field for spatial orientation and navigation.

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A Question of Migration

10,000 Birds

It turns out that humans without compasses make no use of magnetic fields.) In addition, there may be some built-in (genetic) processing ability. Annals of the New York Academy of Sciences, 1046 (1), 282-293 DOI: 10.1196/annals.1343.026 2 PIERSMA, T., PÉREZ-TRIS, J., MOURITSEN, H., BAUCHINGER, U., & BAIRLEIN, F.

Research 197
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From Today's New York Times

Animal Ethics

Compassion for animals cannot be achieved by violence. It is our job as advocates for animals to promote the ethical and scientific arguments that advance science without harming animals—within the parameters of a democratic process in which the truth, not violence, prevails. Respect for animals cannot be coerced by threats.