Family · Apodidae · Apodiformes
Swifts Population Trends
4 species tracked, ordered by long-term trend. Steepest declines first.
| History | ||||
|---|---|---|---|---|
| Black Swift | Aerial insectivores | -82% | 1970 | |
| Chimney Swift | Aerial insectivores | -75% | 1968 | |
| White-throated Swift | Aerial insectivores | +93% | 1969 | |
| Vaux's Swift | Aerial insectivores | +203% | 1970 |