鸟群

鸟群是许多只鸟聚集在一起时的状态，目的是一同去觅食或迁徙至别处。 ^[1] 鸟聚集在一起还可以免受天敌的攻击。 ^[2] 有时鸟群内的鸟不一定都是同一个物种，两种或多种鸟之间也能组成鸟群。^[3][4]

红嘴奎利亚雀鸟群，有时红嘴奎利亚雀鸟群内有数万只红嘴奎利亚雀

椋鸟鸟群

参考文献

1. Flock. Dictionary. Dictionary. [11 November 2017].
2. Gill, Frank. Ornithology. New York, NY: W.H. Freeman and Company. 2007.
3. Animal Behaviour: Benefits of Mixed Flocks. Nature. 19 December 2012, 492 (7429): 314. Bibcode:2012Natur.492Q.314.. S2CID 49906236. doi:10.1038/492314a .
4. 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.