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Sea Turtle Glossary

Please report errors to glossary@seaturtle.org.

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Nocturnal

Nocturnal animals are animals that are largely active at night and sleep during the day. Sea turtles are not normally nocturnal, except during the breeding season, when females tend to lay eggs only at night and when hatchlings emerge from the nest

See also: diurnal

Citations:

• Jessop, T. S., Limpus, C. J. and Whittier, J. M. 2002. Nocturnal activity in the green sea turtle alters daily profiles of melatonin and corticosterone. - Hormones and Behavior 41: 357–365.

Entered by: Brendan Godley
Modified by: Matthew Godfrey
Entered: 2004-12-13 17:02:53
Last modified: 2005-05-05 21:26:26