50 Bird Species and the Sounds They Make #infographic

50 Bird Species and the Sounds They Make #infographic

Bird song may sound like whimsical fun to humans, but for birds it's a complex system with vital functions. The primary purpose of bird vocalization is to attract mates-experiments that indicate the consistency, variety, and strength of a bird's song can be a good indicator of physical fitness. The second primary purpose of the bird song is the defense of territory.

Territorial bird species such as ravens, blue jays, European robins, and swifts use bird songs to negotiate land borders. Researchers believe that since a bird's strength and health can be indicated by the quality of the song, individual birds may perceive how powerful their rivals are, and thus avoid futile fighting.

Birds also communicate through song, sometimes even across species. For example, mobbing calls are used to recruit individual birds in the area so they can rally and drive out an owl or other predators.

This infographic examines 50 bird sounds, offering a glimpse into the harmonic diversity of bird songs. Check out AAAStateofPlay.com for an interactive version you want to play around!

50 Bird Species and the Sounds They Make #infographic

infographic by: www.aaastateofplay.com

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