This video is called Mulga parrot – Bird watching in Australia.
From Wildlife Extra:
Bigger beaks help birds combat global warming
To help them cope with climate change birds are grow[ing] bigger beaks, new research suggests. The scientists, led by Dr Matthew Symonds from Deakin’s Centre for Integrative Ecology in Australia, have discovered a pattern between increased climatic temperatures and an increase in the size of the beaks of parrot species in southern and eastern Australia.
“Birds use their beaks to keep themselves cool. Just as an elephant’s ears help to act as a fan to keep the animal cooler, birds can pump blood to their highly vascularized bills, enabling them to lose excess heat when they get hot,” Dr Symonds said.
The researchers examined 410 bird skins, collected between 1871 and 2008 and located at Museum Victoria, the Queensland Museum, the South Australian Museum and the
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