| Term | Definition |
|---|---|
| Facilitate | (verb) to make easier or less difficult. |
| Feral | (adj) a previously domesticated animal living in a non-native wild environment after escape or release. |
| Fledge | (verb) the stage in a young bird's life when the feathers and wing muscles are sufficiently developed for flight. Birds are considered to have fledged once they take their first flight. |
| Fledgling | (noun) a young bird that has recently fledged but is still dependent upon parental care and feeding is called a fledgling. |
| Flock | (noun) a group of birds feeding, resting, or traveling together. Flocks can be either single or mixed species. |
| Flourescent | (adj) brilliantly colored and apparently giving off light. |
| Foraging | (verb) the act of searching for food.
|
| Fovea | (noun) a small area of the retina that affords extremely good vision. |
