Animals
Sound funnel
An owl’s facial disc helps funnel sound toward its ears.
An owl's facial disc is an arrangement of feathers that helps channel sound toward its ears. The visible tufts on some owls are feathers, not the ear openings themselves.
An owl’s facial disc helps funnel sound toward its ears.
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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