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Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night. Matutinal, a classification of organisms that are only or primarily active in the pre-dawn hours or early night.
The wildlife photographer embarks on night safaris to seek out Hong Kong’s nocturnal animals. ... three blue-banded bees sleeping on a grass blade, and a gecko climbing a tree against the ...
A baby house gecko The common house gecko is ectothermic ("cold-blooded") and displays a variety of means of thermoregulating through behaviour. Its physiology has ramifications for its distribution and nature of interaction with native species, as well as reproductive success as an introduced species.
“These baby common snappers were recently spotted entering the world,” reads the caption from the U.S. Fish and Wildlife service. “Snapping turtles are typically born between August and October.
They are known to easily change their color, from light olive (usually during the evening) to dark brown during the day. It is a good climber and usually eats termites, small insects, spiders and other arthropods. The desert night lizard is small for a reptile, with the average adult female at 80 mm in total length and 1.3 g in weight.
The behavior of an amphibian hatchling, commonly referred to as a tadpole, is controlled by a few thousand neurons. [4] 99% of a Xenopus hatchling's first day after hatching is spent hanging from a thread of mucus secreted from near its mouth will eventually form; if it becomes detached from this thread, it will swim back and become reattached, usually within ten seconds. [4]
The 'golden retriever' of reptiles. When bearded dragons are happy, they will sit calmly on your lap for hours, comforted by your body heat − because they're cold-blooded, said Thompson, who ...