By Anshika Verma02, Jul 2024 07:00 AMjagranjosh.com
Dolphins
Marine mammals with a reputation for intelligence and social behaviour are dolphins. They can even fall asleep with one eye open.
Penguins
Certain species of penguins can fall asleep with their eyes partially open, especially those that live in predatory situations.
Owls
Owls and other nocturnal birds frequently sleep with their eyes open. They can remain vigilant about any predators or dangers in their environment thanks to this activity.
Snakes
Since snakes lack eyelids to close their eyes, they really sleep with their eyes ‘open.’ Rather, transparent scales cover their eyes to shield their energies.
Crocodiles
Since crocodiles still have a small number of predators, there might be additional causes for their occasional open-eye slumber.
Blackbirds
Keeping one eye open while sleeping helps this bird to rest and avoid getting hit by objects.
Mallard Ducks
Staying alert while sleeping is especially important to these species.
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