Hibernaculum (zoology)
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A hibernaculum is a place in which an animal seeks refuge, such as a bear using a cave to overwinter. The word can be used to describe a variety of shelters used by many kinds of animals, including insects, toads, lizards, snakes, bats, rodents, and primates of various species.
A common frog emerging from its hibernation under a clump of vegetation, which functions as its hibernaculum
A western spruce budworm moves along a small branch
A lady beetle sits on a flower, drinking nectar
Frogs wintering at their hibernaculum at Gunnersbury Triangle in London
Limenitis arthemis
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Limenitis arthemis, the red-spotted purple or white admiral, is a North American butterfly species in the cosmopolitan genus Limenitis. It has been studied for its evolution of mimicry, and for the several stable hybrid wing patterns within this nominal species; it is one of the most dramatic examples of hybridization between non-mimetic and mimetic populations.
Image: White Admiral
Image: Red Spotted Purple
Larva
Caterpillar