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Northern bat hibernating deep in a disused cobalt mine in Norway The northern bat is widespread throughout Eurasia, and is the most common bat in the northern part of the continent. It occurs from northern Scandinavia beyond the Arctic Circle to northern Italy, and eastern England to northern Japan. [ 1 ]
Common noctule bats hibernate in winter, and sometimes congregate in hibernation colonies of up to 1000 individuals. In late summer the adult females migrate back southwards to the wintering areas, the young following later. Hibernation at these latitudes is thought to avoid too many days in winter below 0 °C (32 °F). [19]
While the evening bat is considered endangered in the state of Indiana, [20] it has a cosmopolitan distribution throughout the southeast and midwest. [18] Because evening bats do not enter or hibernate in caves, the species is not at-risk from white-nose syndrome, which has killed over six million bats in the United States since 2006. [21]
Natterer's bat is nocturnal and insectivorous. It emerges at dusk to hunt for insects and uses echolocation to find prey and orient itself at night. Like many other species of bat, it emits sounds at too high a frequency for most humans to detect and then interprets the echoes created in order to build a "sound picture" of its surroundings. The ...
The bats’ names can play a larger role in the contest than their cuteness. Last year’s winner was a female Townsend’s big-eared bat from southern Oregon dubbed “William ShakespEAR”.
A little brown bat with white-nose syndrome.. White-nose syndrome (WNS) is a fungal disease in North American bats which has resulted in the dramatic decrease of the bat population in the United States and Canada, reportedly killing millions as of 2018. [1]
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As opposed to other bats, the Azores noctule exhibits an unusually high frequency of diurnal flight, frequently hunting insects by day, although it is still most active at night. [4] It has been hypothesised that the Azores noctules' diurnal foraging behaviour may be due to the absence of avian predators in the Azores. Azores noctules still ...