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A young house sparrow (Passer domesticus) exhibits unihemispheric slow-wave sleep.
A young house sparrow (Passer domesticus) exhibits unihemispheric slow-wave sleep.
Polysomnogram demonstrating slow-wave sleep. High amplitude EEG is highlighted in red.
Polysomnogram demonstrating slow-wave sleep. High amplitude EEG is highlighted in red.
Common swift
Common swift
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Cetacea
Cetacea
Skull of the North Atlantic right whale (Mysticeti)
Skull of the North Atlantic right whale (Mysticeti)
Skull of the orca (Odontoceti)
Skull of the orca (Odontoceti)
Head profile of a beluga whale, featuring the large "melon" region
Head profile of a beluga whale, featuring the large "melon" region