Nature
2020.01.04 06:22 GMT+8

Wild seabirds practice self care

Updated 2020.01.04 06:22 GMT+8
CGTN

During this study of Puffin behavior, experts ruled out the sticks being used for nesting.

Puffins are picky animals when it comes to nesting. They prefer soft materials like grass and feathers.

Experts say this is the second documented case of wild birds using tools for body care.

It has been previously found that birds will smear ants on their feathers when they have parasites.

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