• About
• FAQ
• Home

• Documents
• Glossary
• Marine Turtle Newsletter
• News
• Photos

• Blog
• Image Library
• Job Board
• Maptool
• Marine Turtle Newsletter
• Nesting
• News
• Satellite Tracking and Analysis Tool
• Sightings
• Stranding
• TagFinder
• Tagging
• Tracking
• Volunteer Log

• Groups
• People

• Adopt-a-Turtle
• Adopt-a-Nest
• Donate

• Indian Ocean Turtle Newsletter
• Marine Turtle Research Group
• North Carolina Sea Turtle Project

Sea Turtle Glossary

Please report errors to glossary@seaturtle.org.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all

 

Diurnal

Variations: diel

Active during daylight hours. The opposite is nocturnal (active during night hours). Crepuscular refers to organims that are active around the time of dawn and dusk.

WWW References:

• Information about biological clocks

Entered by: Michael Coyne
Modified by: Matthew Godfrey, Annette Broderick,
Entered: 2003-09-09 12:29:38
Last modified: 2005-05-06 11:24:21