Crow

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Discovery of species-wide tool use in the Hawaiian crow (Nature)

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Genral Information about Crows (All About Birds)
BBC wildlife Finder, Carrion crow

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crow : any of various large usually entirely glossy black passerine birds (family Corvidae and especially genus Corvus) — Webster See also OneLook, Free Dictionary, Wiktionary, Urban Dictionary

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crow : any of various large usually entirely glossy black passerine birds (family Corvidae and especially genus Corvus). — Wikipedia

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American Crow (All About Birds, Cornell Lab of Ornithology)
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Shaping of Hooks in New Caledonian Crows (A. A. S. Weir, J. Chappell, A. Kacelnik, Science, 2002)
Video: Aesop’s Fable – or fact? Meet the world’s cleverest bird (Times Online)

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  • Big-hearted corvids
    on October 22, 2020 at 3:16 pm

    Ravens, crows, magpies and their relatives are known for their exceptional intelligence, which allows them to solve complex problems, use tools or outsmart their conspecifics. One capability, however, that we humans value highly, seems to be missing from their behavioral repertoire: generosity. Only very few species within the crow family have so far been found to act generously in experimental paradigms, while the highly intelligent ravens, for example, have demonstrated their egoistic […]

  • Whitebark pine declines may unravel the tree's...
    on October 14, 2020 at 9:40 pm

    The relationship between the whitebark pine (Pinus albicaulis), an iconic tree of western mountaintops, and the Clark's Nutcracker (Nucifraga columbiana), a brash bird in the crow family, is often used as an example of the biological concept of mutualism: a relationship between species where both benefit. The pine provides large, nutritious seeds to the nutcracker. The nutcracker buries these seeds for later use in scattered hiding spots, inevitably failing to retrieve some and effectively […]

  • Researchers show conscious processes in birds'...
    on September 25, 2020 at 12:08 pm

    By measuring brain signals, a neuroscience research group at the University of Tübingen has demonstrated for the first time that corvid songbirds possess subjective experiences. Simultaneously recording behavior and brain activity enabled the group headed by Professor Andreas Nieder to show that crows are capable of consciously perceiving sensory input. Until now this type of consciousness has only been witnessed in humans and other primates, which have completely different brain structures to […]

  • Warming ocean, old-forest loss put a squeeze on...
    on September 22, 2020 at 4:00 pm

    Squeezed by changing ocean conditions that limit their food options and the long-term loss of old forest needed for nesting, marbled murrelets would benefit most from conservation efforts that take both ocean and forest into account, new research by Oregon State University shows.

  • Bird beak revealed by laser imaging informs early...
    on September 21, 2020 at 3:45 pm

    Confuciusornis was a crow-like fossil bird that lived in the Cretaceous ~120 million years ago. It was one of the first birds to evolve a beak. Early beak evolution remains understudied. Using an imaging technique called Laser-Stimulated Fluorescence (LSF), researchers at the University of Hong Kong (HKU) address this by revealing just how different the beak and jaw of Confuciusornis were compared to birds we see today.

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