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🔬general biology i review

Brumation

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Brumation is a period of dormancy in reptiles, akin to hibernation in mammals. It is characterized by decreased metabolic activity and reduced physiological functions during colder months.

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5 Must Know Facts For Your Next Test

  1. Brumation typically occurs in response to cooler temperatures and shorter daylight hours.
  2. During brumation, reptiles often remain inactive for extended periods but may wake occasionally to drink water.
  3. Unlike hibernation, brumating reptiles do not rely on fat reserves as extensively; instead, they reduce overall energy expenditure.
  4. Brumation can last from a few weeks to several months depending on the species and environmental conditions.
  5. Species such as turtles, snakes, and lizards commonly undergo brumation.

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