鳥群

鳥群是許多隻鳥聚集在一起時的狀態，目的是一同去覓食或遷徙至別處。 ^[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]

紅嘴奎利亞雀鳥群，有時紅嘴奎利亞雀鳥群內有數萬隻紅嘴奎利亞雀

椋鳥鳥群

參考文獻

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.