Effect of roost size on the emergence behaviour of pipistrelle bats

Article Abstract:

Clusteriing has been shown to increase among bats as bat numbers rise. Computer-modeled event streams have been used to separate out different aspects of the relationship between bat numbers and clustering. This method has been applied to bats in four Scottish locations. Clutsering decreased with roost size after corrections had been made. Bottlenecks may hinder clustering instead of fostering it. Clustering was especially affected in the middle of major emergences. Exit topology may be an important factor, and this could explain variations from one roost to another.

Methods, Statistics, Statistics (Data), Social behavior in animals, Animal social behavior

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Non-nutritional maternal support in the brown long-eared bat

Article Abstract:

Care-giving behaviors in lactating adult female brown long-eared bats, Plecotus auritus, generally decline with the progression of lactation. Mother bats demonstrate a high level of care-giving behaviors in the early stages of development, when the young are between one and 25 days old. As is the case with several other mammals, care-giving behaviors are performed less frequently as the young grow and come close to being weaned. The frequency of nightly visits to the roost declines as the young mature.

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Roost selection in the pipistrelle bat, Pipistrellus pipistrellus (Chiroptera: Vespertilionidae), in northeast Scotland

Article Abstract:

Research was conducted to examine roost selection in the pipistrelle bat, Pipistrellus pipistrellus. Nine internal and 26 external characteristics of 21 known roost buildings were compared to 17 random buildings located in northeast Scotland. Common selection features were the presence of a nearby tree and the existence of linear vegetation leading away from the bats. The best indicator for bats roosting in buildings is percentage cover within 50 m of the building.

Animal homing

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