Species · Louisiana · BBS 2025 Release · 1966–2024
Cave Swallow Population Trend in Louisiana
Cave Swallow in Louisiana has surged: up 21× on the route-weighted index since 2013.
21×Since 2013
15Routes In State
13Years
Notable Cave Swallow Trends in Louisiana
long arc increasecomputed index
Cave Swallow has surged in Louisiana: up 21× on the route-weighted index since 2013.
Cave Swallow Survey Routes in Louisiana
| Richard | 51 | 2024 | 2016 |
| Esther | 36 | 2024 | 2019 |
| Forked Island | 30 | 2019 | 2014 |
| Woodlawn | 24 | 2018 | 2011 |
| Ltl Chenier | 18 | 2023 | 2023 |
| De Ridder | 6 | 2019 | 2014 |
| Rayville 2 | 6 | 2024 | 2024 |
| Evelyn | 4 | 2022 | 2021 |
| Brousville | 2 | 2023 | 2015 |
| Kaplan | 2 | 2023 | 2014 |
| Morgan City | 2 | 2013 | 2012 |
| Longstreet | 2 | 2022 | 2022 |
| Ramah | 1 | 2023 | 2015 |
| Ltl Chenier 2 | 1 | 2011 | 2011 |
| Hackberry | 1 | 2012 | 2012 |
Cave Swallow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.