Definition: An extinct group of large, primitive reptiles that lived during the Carboniferous and Permian periods, considered to be ancestors of modern reptiles.

Example: The cotylosaur was one of the earliest reptiles to adapt to life on land.

Definition: Describing a position where someone or something is lying down with their head raised, often used in heraldry.

Example: The lion was depicted in a couchant position on the coat of arms.

Definition: A type of coloration in animals where the parts that are usually in light are darker, and the parts that are usually in shadow are lighter. This helps the animal blend into its environment and avoid being seen by predators.

Example: The deer has countershading, making it harder for predators to spot it in the forest.

Definition: A type of bird that is similar to a limpkin, often found in wetlands and marshy areas.

Example: The courlan was spotted wading through the shallow waters of the swamp.

Definition: A type of dog that is trained to chase game animals, or a fast horse used for riding or racing.

Example: The courser chased the hare across the field with great speed.

Definition: The activity of hunting animals using dogs that chase them by sight rather than by smell.

Example: Coursing is a traditional method of hunting that involves dogs chasing game animals.

Definition: A small group of birds, particularly partridges or quails, or a small group of people.

Example: We spotted a covey of quails in the field during our hike.

Definition: To scare or threaten someone in order to make them do something.

Example: The bully tried to cow the younger students into giving him their lunch money.

Definition: A type of climbing plant that belongs to the Mucuna genus, known for its use in traditional medicine and sometimes for its seeds, which can help remove parasites from the body.

Example: The farmer planted cowage in his garden to help with pest control.

Definition: A type of blackbird that lays its eggs in the nests of other birds, often found near cattle.

Example: The cowbird is known for its unique behavior of laying eggs in the nests of other birds.