| A handfed parrot is one that has been taken from the nest at a young age and fed by hand by a human. |
| A reproductive female inquiline gains access to a host nest and usually kills the resident queen. |
| Large cities foul their own nest as they grow, putting the health of their citizens in jeopardy. |
| Stoats regularly climb trees to gain access to birds' nests, and are common raiders of nest boxes, particularly those of large species. |
| At the beginning of the brooding season, the hens are very sensitive to disturbances and leave the nest quickly. |
| He fouled his own nest. So by now he realizes it was his own fault and he had it coming. |
