Allez-y voir.

https://theconversation.com/sifflements-chants-et-gazouillis-mais-que-disent-les-oiseaux-128266?utm_medium=email&utm_campaign=La%20lettre%20du%20week-end%20de%20The%20Conversation%20France%20-%201506114335&utm_content=La%20lettre%20du%20week-end%20de%20The%20Conversation%20France%20-%201506114335+CID_60030dcec7462d5e96bac471aad8e519&utm_source=campaign_monitor_fr&utm_term=Sifflements%20chants%20et%20gazouillis%20mais%20que%20disent%20les%20oiseaux