Definition: Relating to the study of animal behavior in natural conditions.

Example: The researchers conducted an ethological study to observe the mating rituals of birds in the wild.

Definition: A person who studies animal behavior and how animals interact with their environment.

Example: The ethologist observed the mating rituals of the birds in their natural habitat.

Definition: The scientific study of how animals behave, particularly in their natural surroundings.

Example: Ethology helps us understand the social behaviors of different animal species.

Definition: A type of small fish, also known as candlefish, that is found in the Pacific Ocean and is known for its high oil content.

Example: The eulachon is often used in traditional dishes by indigenous peoples of the Pacific Northwest.

Definition: A type of small, shrimp-like crustacean that is often found in the ocean and is important in the marine food chain.

Example: Euphausiids are a key food source for many marine animals, including whales and fish.

Definition: Describing a social structure where individuals live together in a cooperative group, often with one female and multiple males reproducing, while others care for the young or support the group.

Example: Ants and bees are examples of eusocial animals that work together to raise their young and maintain their colonies.

Definition: A social structure in which certain individuals in a species, often insects like ants and bees, live in large groups and cooperate in caring for the young, with some individuals specializing in reproduction while others do not reproduce.

Example: Ants are a prime example of eusociality, where the colony works together to raise the young and protect the queen.

Definition: Relating to a group of mammals that give birth to live young and have a complex placenta.

Example: Humans are classified as eutherian mammals because they give birth to fully developed young.

Definition: A female sheep, particularly when it is fully grown.

Example: The farmer has a flock of ewes in the pasture.

Definition: A young bird, especially a hawk or falcon, that is not yet able to fly and is often taken from its nest for training in falconry.

Example: The falconer carefully trained the eyas to hunt.