Study finds even the common house sparrow is declining

The European House Sparrow has a story to tell about survival in the modern world. In parts of its native range in Europe, House Sparrow numbers are down by nearly 60%. Their fate in the U.S. and Canada is less well known. ...

Female bats brave risky conditions for their young

The daily activity patterns of animals are influenced by a variety of different factors. Understanding how animals distribute their activity over the day, an important part of their behavior, provides valuable insights into ...

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