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- catalog contributor b2652315.
- catalog created "c1989.".
- catalog date "1989".
- catalog date "c1989.".
- catalog dateCopyrighted "c1989.".
- catalog description "Bibliography: p.337-354.".
- catalog description "Ravens at a moose -- Ravens as hunters and scavengers -- Calling in carcass-openers? -- Selfish herd? -- Corvid comparison -- What is acceptable evidence? -- Early winter confusion -- Are ravens hawks of doves? -- Raven intelligence -- Short work of two sheep -- Cow -- Loner -- Tame birds from the nest -- Another hypothesis -- Territorial adults and wandering juveniles -- Communal roosts -- Do they come from a roost? -- To catch and mark a raven, or two, or more -- Courting and displays -- Individuals -- Spring surprises -- At the nest -- Raven calls -- Residents keep it all -- Why be brave? -- Tradeoffs and complexities -- Cage raisings -- Last roundups.".
- catalog extent "379 p. :".
- catalog hasFormat "Ravens in winter.".
- catalog identifier "0671678094".
- catalog isFormatOf "Ravens in winter.".
- catalog issued "1989".
- catalog issued "c1989.".
- catalog language "eng".
- catalog publisher "New York : Summit Books,".
- catalog relation "Ravens in winter.".
- catalog subject "598.8/64 20".
- catalog subject "Corvus corax Behavior.".
- catalog subject "Corvus corax Wintering.".
- catalog subject "QL696.P2367 H45 1989".
- catalog tableOfContents "Ravens at a moose -- Ravens as hunters and scavengers -- Calling in carcass-openers? -- Selfish herd? -- Corvid comparison -- What is acceptable evidence? -- Early winter confusion -- Are ravens hawks of doves? -- Raven intelligence -- Short work of two sheep -- Cow -- Loner -- Tame birds from the nest -- Another hypothesis -- Territorial adults and wandering juveniles -- Communal roosts -- Do they come from a roost? -- To catch and mark a raven, or two, or more -- Courting and displays -- Individuals -- Spring surprises -- At the nest -- Raven calls -- Residents keep it all -- Why be brave? -- Tradeoffs and complexities -- Cage raisings -- Last roundups.".
- catalog title "Ravens in winter / by Bernd Heinrich ; illustrations by the author.".
- catalog type "text".