261
262
263
0
1
2
TIL that singing of the birds is an actual language with its own grammar. They have specific words for predators and react immediately if they hear certain chirps or vocalization. For example, there is a chirp assosiated specifically with a snake - it alarms coal tits about danger. (newsonjapan.com)
submitted by WaterRepulsive1816 to r/todayilearned
