BBS Route · Texas · BCR 21
Sadler Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 100 species recorded across 49 survey years, still active.
100Species Recorded
49Years Surveyed
1969–2024Span
6Observers
Bird Species Found on Texas Sadler
Top 40 of 100 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Western Cattle-Egret | Ardeidae | 157 | 2024 | +510% | 1982 | |
| American Crow | Corvidae | 69 | 2024 | +16% | 1971 | |
| Turkey Vulture | Cathartidae | 39 | 2024 | +174% | 1975 | |
| Northern Cardinal | Cardinalidae | 37 | 2024 | +74% | 1971 | |
| Dickcissel | Cardinalidae | 30 | 2024 | -9% | 1971 | |
| Northern Mockingbird | Mimidae | 26 | 2024 | -48% | 1971 | |
| Painted Bunting | Cardinalidae | 22 | 2024 | +41% | 1971 | |
| Eastern Bluebird | Turdidae | 21 | 2024 | +170% | 1971 | |
| Mourning Dove | Columbidae | 19 | 2024 | -27% | 1971 | |
| Black Vulture | Cathartidae | 19 | 2024 | +943% | 1977 | |
| Cliff Swallow | Hirundinidae | 19 | 2024 | -81% | 1985 | |
| Carolina Chickadee | Paridae | 18 | 2024 | +43% | 1971 | |
| European Starling | Sturnidae | 17 | 2024 | -69% | 1971 | |
| Red-bellied Woodpecker | Picidae | 12 | 2024 | +43% | 1971 | |
| Barn Swallow | Hirundinidae | 12 | 2024 | +250% | 1971 | |
| Scissor-tailed Flycatcher | Tyrannidae | 9 | 2024 | -69% | 1971 | |
| Lark Sparrow | Passerellidae | 9 | 2024 | -76% | 1971 | |
| Blue Grosbeak | Cardinalidae | 9 | 2024 | +213% | 1971 | |
| Tufted Titmouse | Paridae | 9 | 2024 | +124% | 1971 | |
| White-eyed Vireo | Vireonidae | 9 | 2024 | 12× | 1980 | |
| Eastern Meadowlark | Icteridae | 8 | 2024 | -93% | 1971 | |
| Great Crested Flycatcher | Tyrannidae | 7 | 2024 | +23% | 1971 | |
| Purple Martin | Hirundinidae | 7 | 2024 | -44% | 1973 | |
| Bewick's Wren | Troglodytidae | 7 | 2024 | +500% | 1971 | |
| Brown-headed Cowbird | Icteridae | 6 | 2024 | -72% | 1971 | |
| Common Grackle | Icteridae | 6 | 2023 | -61% | 1975 | |
| Indigo Bunting | Cardinalidae | 6 | 2024 | +20% | 1971 | |
| Carolina Wren | Troglodytidae | 6 | 2024 | +90% | 1971 | |
| Blue Jay | Corvidae | 5 | 2024 | -24% | 1971 | |
| Canada Goose | Anatidae | 5 | 2023 | -33% | 2012 | |
| Red-winged Blackbird | Icteridae | 4 | 2024 | -65% | 1971 | |
| House Sparrow | Passeridae | 4 | 2024 | -87% | 1971 | |
| Great Blue Heron | Ardeidae | 4 | 2024 | +371% | 1981 | |
| Eastern Phoebe | Tyrannidae | 4 | 2024 | +0% | 1988 | |
| Red-shouldered Hawk | Accipitridae | 4 | 2024 | +75% | 2001 | |
| Blue-winged Teal | Anatidae | 4 | 2011 | n/a | n/a | |
| White-winged Dove | Columbidae | 4 | 2023 | +267% | 2018 | |
| Little Blue Heron | Ardeidae | 3 | 2022 | -46% | 1973 | |
| Yellow-billed Cuckoo | Cuculidae | 3 | 2024 | -81% | 1971 | |
| Downy Woodpecker | Picidae | 3 | 2024 | -29% | 1971 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.