Animals
Male to female
A breeding male clownfish can become female.
A breeding male clownfish can become female when the dominant female disappears. This male-to-female transition is called protandry and is linked to the group’s social hierarchy.
A breeding male clownfish can become female.
Animals feed
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Animals
3
Octopuses have three hearts and blue blood.
Octopuses have three hearts: two supply the gills and one supplies the rest of the body. Their oxygen-carrying protein contains copper and turns blue when oxygenated.
Animals
Cubes
Wombats poop cubes.
Wombats produce distinctly cube-like droppings, shaped inside the intestine rather than by a square opening. Research links the shape to differences in the mechanical properties of the intestinal wall.
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