Definition: A type of wild cherry tree that is often used for grafting other cherry varieties.

Example: The gardener chose a mazzard to use as the rootstock for his new cherry trees.

Definition: A type of songbird found in North America, known for its brownish feathers and yellow breast with a black crescent mark.

Example: The meadowlark sang beautifully in the early morning light.

Definition: A type of larva from certain beetles that is commonly found in grain products and is often used as food for birds and other animals.

Example: The bird enthusiast bought a box of mealworms to feed his pet birds.

Definition: A small freshwater fish from Japan that is often found in rice fields and is popular in aquariums and scientific studies.

Example: The medaka is a popular choice for aquarium enthusiasts due to its vibrant colors and hardiness.

Definition: A small type of fruit fly that is originally from the Mediterranean region and is known for damaging fruits.

Example: The medfly is a significant pest for farmers growing citrus fruits.

Definition: A small, social mammal from southern Africa that lives in groups and is known for standing on its hind legs to look around.

Example: The meerkat stood on its hind legs to watch for predators.

Definition: Large animals that are part of a specific region or time period, often including species like mammoths and bison.

Example: The discovery of ancient megafauna fossils has provided insight into the ecosystems of the past.

Definition: Relating to large animals, especially those that lived in prehistoric times.

Example: The study of megafaunal species helps us understand ancient ecosystems.

Definition: A large fish or a larval stage in the development of crabs, characterized by long abdomen and large eyes.

Example: The megalops stage is crucial for the development of crabs as they transition from the zoea stage.

Definition: A type of bird that lays its eggs in the ground and relies on heat from the sun or decaying vegetation to incubate them.

Example: The megapod is known for its unique nesting habits, where it buries its eggs in mounds of soil.