鸟群
鸟群是許多只鳥聚集在一起時的狀態，目的是一同去觅食或遷徙至別處。 [1] 鳥聚集在一起還可以免受天敵的攻擊。 [2] 有時鳥群內的鳥不一定都是同一個物種，兩種或多種鳥之間也能組成鳥群。[3][4]
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参考文献
- ^ Flock. Dictionary. Dictionary. [11 November 2017].
- ^ Gill, Frank. Ornithology. New York, NY: W.H. Freeman and Company. 2007.
- ^ Animal Behaviour: Benefits of Mixed Flocks. Nature. 19 December 2012, 492 (7429): 314. Bibcode:2012Natur.492Q.314.. S2CID 49906236. doi:10.1038/492314a
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- ^ Terborgh, J. Mixed flocks and polyspecific associations: Costs and benefits of mixed groups to birds and monkeys. American Journal of Primatology. 2005, 21 (2): 87–100. PMID 31963979. S2CID 83826161. doi:10.1002/ajp.1350210203.
