Bird Eggs Warn Each Other About Danger

Although they don’t seem like the talkative type, recent research suggests that bird eggs can use vibrations to relay warnings about the outside world to their nest-mates.

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Sources:
https://www.researchgate.net/publication/334618159_Bird_embryos_perceive_vibratory_cues_of_predation_risk_from_clutch_mates [open-access PDF]
https://www.jstor.org/stable/40235033?seq=1
https://jeb.biologists.org/content/222/21/JEB193136
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2666680/
https://science.sciencemag.org/content/353/6301/812
https://science.sciencemag.org/content/340/6137/1215?ijkey=f5909f4d51ee0f47425e00031dd444b9bb42aba7&keytype2=tf_ipsecsha
https://science.sciencemag.org/content/347/6224/875?ijkey=2ff1bf2043661c576c40bab9949859823f58ef84&keytype2=tf_ipsecsha
https://www.nature.com/articles/s41559-019-0929-8
https://royalsocietypublishing.org/doi/full/10.1098/rspb.2011.2074?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed
https://www.sciencedirect.com/science/article/abs/pii/S0003347211005458

Image Sources:
https://www.istockphoto.com/photo/nest-of-bird-on-the-tree-with-eggs-gm692926386-127907271
https://www.istockphoto.com/photo/yellow-legged-gull-gm1199410544-343146220
https://www.istockphoto.com/photo/mink-with-brown-fur-on-grassy-trail-on-a-spring-morning-gm1227205826-361850766
https://www.istockphoto.com/photo/eggs-of-yellow-legged-gull-larus-michahellis-gm177810583-23979740
https://www.flickr.com/photos/elentir/35805201206/
https://www.flickr.com/photos/elentir/35457780390/
https://www.istockphoto.com/photo/turtle-hatchlings-gm464272259-32892568
https://www.istockphoto.com/photo/3-bird-eggs-in-birds-nest-on-the-tree-gm866264850-242218061

Видео Bird Eggs Warn Each Other About Danger канала SciShow