eSteem: Do you know ...?

in esteem •  6 years ago 

Hi steemians....

image

Here's my post today, hopefully useful ...
Birds have 5 pairs of air purses, which are different in location, namely:

at the base of the neck
on the front chest
on the back chest
on the stomach
on the upper arm bone that lies between the collarbone.
So and thank you for visiting my blog, hopefully useful for my post.

By, @julian01

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