A (23) | B (24) | C (45) | D (19) | E (25) | F (18) | G (15) | H (14) | I (14) | J (2) | K (3) | L (9) | M (15) | N (11) | O (10) | P (34) | Q (3) | R (22) | S (30) | T (14) | U (3) | V (9) | W (7) | Z (2)
Facial disc

An area of very short feathers that radiate out from the eyes like the spokes of a wheel. This special feather arrangement helps send sound to the birds ears. All owls have a facial disc .

Fauna

All the animals in a particular place or period of time.

Feces

Waste matter discharged from the intestines. Also called excrement, scat , or droppings .

Feline

Any member of the cat family. House cats, tigers, and lynx are all felines.

Feral

Domestic animals that have escaped and reverted to a wild (untamed) state.

Flagship species

A species that is popular with humans that can be the focus for conservation efforts. The giant panda is an example of a flagship species for bamboo forest habitat .

Fledge/Fledgling

Verb: The time when a young bird 's feathers have grown enough to help the bird take its first flight. Noun: A young bird that has just fledged.

Flight feathers

Feathers on a bird 's tail or wings that help it to fly. Usually, flight feathers are longer and more rigid than contour feathers .

Flipper

A broad, flat limb that helps a marine mammal , such as a sea lion or dolphin, swim.

Flock

A group of birds or mammals. For example: a flock of sheep; a flock of ducks

Flora

All the plants in a particular place or period of time.

Floristic

Concerned with or relating to flowers.

Food chain

A model that shows how plants and animals are linked together because each one eats or is eaten by another.

Forage/Foraging

Food for animals, usually grasses or leaves, or to look for food; searching for food.

Forest

An area with many trees.

Forest floor

The ground layer of a rain forest .

Fossorial

Adapted for burrowing or digging.

Frugivore

Fruit-eater. The ring-tailed lemur is a frugivore .