Biodiversity refers to the variety of life forms on Earth, encompassing the different species, ecosystems, and genetic variations that exist.

Birds are a group of warm-blooded vertebrates characterized by feathers, beaks, wings, and the ability to lay eggs.

A disease, in the context of health, is a condition that impairs the normal functioning of the body or mind.

The Wikipedia page titled "Endangered species" provides information about a classification system that identifies and lists species that are at risk of extinction.

A forest is a dense grouping of trees, various plants, and wildlife, covering a large area of land.

Honey is a sweet, viscous substance produced by bees from the nectar of flowers.

The Wikipedia page for Mammal provides an overview of this diverse group of animals that includes humans, as well as cats, dogs, whales, and many others.