General
Why do some Australian birds stop singing when it gets too hot?
If you’ve ever been out walking through the Australian bush on a hot summer’s day you may have noticed a conspicuous lack of bird sounds.
Key points:
- Professor in Animal Behaviour Gisela Kaplan says when the temperature rises birds generally stop vocalising to save energy
- Dr Kaplan says two separate studies have examined how budgerigars and magpies regulate their body temperature and cope with the heat
- During summer many birds only feed during the early morning or late afternoon, when temperatures are lower
Just like humans, birds seek refuge during the heat of the day but there are also other physiological reasons why they stop singing when it gets too hot.
Gisela Kaplan is a Professor in Animal Behaviour at the University of New England…
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