Welcome to the 113th Daily Field Note! Here you find the top post of the day, one covering each scientific field that is included by Geopolis. Since these authors put a lot of effort in writing a good post they surely deserve the extra exposure.

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Ecology: The greater noctule bats (Nyctalus lasiopterus) in Spain are being killed by the invasive rose-ringed parakeets (Psittacula krameri) who want their nests

Original post by @valth

The greater noctule bat is the largest species of bat we have in Europe, with a wingspan that can be as long as 46cm. They are pretty rare, and . This basically means that they are not in any immediate threat of extinction, but they are definitely heading towards this point unless we take measures to protect them.

In its natural setting, the greater noctule bats hunt and eat birds, and they are in fact the only bat that is capable of hunting birds while they are in flight. All other bat species who kill birds do so when the birds roosts, so it's a pretty unique species. It is of course...

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