• Publications
  • Influence
The Hot-Blooded Insects: Strategies and Mechanisms of Thermoregulation
Bernd Heinrich's widely praised Bumblebee Economics (Harvard, 1979) set a high standard for scientifically accurate yet gracefully articulate writing about nature's ingenious patterns, specificallyExpand
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THE FORAGING SPECIALIZATIONS OF INDIVIDUAL BUMBLEBEES
Bumblebees of any one species in Maine forage for pollen and/or nectar from a large variety of morphologically diverse flowers, but individuals have limited foraging repertoires at any one time.Expand
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The Hot-Blooded Insects
  • B. Heinrich
  • Biology
  • Springer Berlin Heidelberg
  • 29 December 2012
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"Majoring" and "Minoring" by Foraging Bumblebees, Bombus Vagans: An Experimental Analysis
On their first 2 foraging trips out of the hive, young Boinhus x'iwtcans workers visited, on the average, 4 or 5 different kinds of rewarding as well as unrewarding flowers, and few of each kind inExpand
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AN EXPERIMENTAL INVESTIGATION OF INSIGHT IN COMMON RAVENS (CORVUS CORAX)
I presented four groups of Common Ravens (Corvus corax) with a problem that they had never encountered before. Could they demonstrate the solution to this problem without first practicing or learningExpand
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Winter foraging at carcasses by three sympatric corvids, with emphasis on recruitment by the raven, Corvus corax
  • B. Heinrich
  • Biology
  • Behavioral Ecology and Sociobiology
  • 1 September 1988
SummaryLarge animal carcasses provide a highly clumped rich source of food for ravens that should be worth defending, yet in the forests of Maine and Vermont ravens commonly feed in groups. RavensExpand
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Energetics and pollination ecology.
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Energetics of Pollination
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Resource Partitioning Among Some Eusocial Insects: Bumblebees
Four common species of bumblebees in central Maine each utilized the nectar from a great variety of both native and exotic flowers. The number of individuals that utilized a nectar resource wasExpand
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Resource heterogeneity and patterns of movement in foraging bumblebees
SummaryDifferences in the foraging behavior of B. terricola workers on white clover, Trifolium repens, were examined on previously unvisited (filled) and depleted flowers, and as a function ofExpand
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