How bears bulk up ahead of the summer: A study into the Asiatic black bear’s spring diet

  • Pensoft Editorial Team
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  • May 5, 2017
  • Much like gym enthusiasts, every year Asiatic black bears seem to be on the lookout for protein-rich food ahead of the summer, so that they can bulk up on lean muscle mass in place of the fat tissue formed last year prior to hibernation. This was concluded in a study by Dr. Shino Furusaka, Tokyo […]

    Feeding strategies in competing hummingbird species observed in a small area in Brazil

  • Pensoft Editorial Team
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  • May 2, 2017
  • Being the vertebrates with the highest metabolic rate thanks to their rapid wing flaps, the hummingbirds have evolved various types of feeding behaviour. While the nectar-feeders tend to go for food high in energy, strong competition affects greatly their preferences and behaviour towards either dominance, subordination, a strategy known as trapline and a fourth one […]