active day period

Diurnal animals

2140 species

Diurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends on a variety of environmental factors such as the temperature, the ability to gather food by sight, the risk of predation, and the time of year. Commonly classified diurnal animals include mammals, birds, and reptiles. Most primates are diurnal.
This is a part of the Wikipedia article used under the Creative Commons Attribution-Sharealike 3.0 Unported License (CC-BY-SA). The full text of the article is here → https://en.wikipedia.org/wiki/Diurnality 
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Diurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends on a variety of environmental factors such as the temperature, the ability to gather food by sight, the risk of predation, and the time of year. Commonly classified diurnal animals include mammals, birds, and reptiles. Most primates are diurnal.
This is a part of the Wikipedia article used under the Creative Commons Attribution-Sharealike 3.0 Unported License (CC-BY-SA). The full text of the article is here → https://en.wikipedia.org/wiki/Diurnality 
Source