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Adder

Vipera berus (Linnaeus 1758)

behavioral circadian rhythm

Animal Diversity Web Traits and images
crepuscular
URI: http://purl.obolibrary.org/obo/ECOCORE_00000078

Definition: active primarily during dawn and dusk

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Da Silva et al 2020
diurnal
URI: http://www.wikidata.org/entity/Q906470

Definition: animal behavior characterized by activity during the day, with a period of inactivity at night.

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