BBS Route · Texas · BCR 19
Mertzon 2 Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 38 species recorded across 2 survey years, still active.
38Species Recorded
2Years Surveyed
2022–2024Span
2Observers
Bird Species Found on Texas Mertzon 2
Top 38 of 38 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Painted Bunting | Cardinalidae | 33 | 2024 | +57% | 2022 | |
| Northern Mockingbird | Mimidae | 31 | 2024 | +0% | 2022 | |
| Northern Cardinal | Cardinalidae | 29 | 2024 | +107% | 2022 | |
| Bell's Vireo | Vireonidae | 18 | 2024 | +6% | 2022 | |
| Mourning Dove | Columbidae | 10 | 2024 | +67% | 2022 | |
| Turkey Vulture | Cathartidae | 10 | 2024 | -60% | 2022 | |
| Cassin's Sparrow | Passerellidae | 7 | 2024 | +133% | 2022 | |
| Ash-throated Flycatcher | Tyrannidae | 5 | 2024 | -17% | 2022 | |
| Lark Sparrow | Passerellidae | 5 | 2024 | -55% | 2022 | |
| Blue Grosbeak | Cardinalidae | 5 | 2024 | +400% | 2022 | |
| House Finch | Fringillidae | 5 | 2024 | n/a | n/a | |
| Eurasian Collared-Dove | Columbidae | 5 | 2024 | n/a | n/a | |
| Bewick's Wren | Troglodytidae | 4 | 2024 | +300% | 2022 | |
| Common Nighthawk | Caprimulgidae | 4 | 2024 | n/a | n/a | |
| Golden-fronted Woodpecker | Picidae | 3 | 2024 | +50% | 2022 | |
| Western Kingbird | Tyrannidae | 3 | 2024 | +200% | 2022 | |
| Brown-headed Cowbird | Icteridae | 3 | 2024 | -25% | 2022 | |
| Black-throated Sparrow | Passerellidae | 3 | 2022 | n/a | n/a | |
| Cactus Wren | Troglodytidae | 3 | 2022 | n/a | n/a | |
| Northern Bobwhite | Odontophoridae | 3 | 2024 | n/a | n/a | |
| Common Raven | Corvidae | 2 | 2022 | n/a | n/a | |
| Scott's Oriole | Icteridae | 2 | 2022 | n/a | n/a | |
| Black-crested Titmouse | Paridae | 2 | 2024 | +0% | 2022 | |
| Vermilion Flycatcher | Tyrannidae | 2 | 2024 | n/a | n/a | |
| Common Grackle | Icteridae | 2 | 2024 | n/a | n/a | |
| Black Vulture | Cathartidae | 1 | 2022 | n/a | n/a | |
| Ladder-backed Woodpecker | Picidae | 1 | 2024 | +0% | 2022 | |
| Scissor-tailed Flycatcher | Tyrannidae | 1 | 2024 | -88% | 2022 | |
| American Crow | Corvidae | 1 | 2022 | n/a | n/a | |
| Orchard Oriole | Icteridae | 1 | 2024 | -80% | 2022 | |
| Pyrrhuloxia | Cardinalidae | 1 | 2024 | -92% | 2022 | |
| Killdeer | Charadriidae | 1 | 2024 | n/a | n/a | |
| Greater Roadrunner | Cuculidae | 1 | 2024 | n/a | n/a | |
| Yellow-billed Cuckoo | Cuculidae | 1 | 2024 | n/a | n/a | |
| Bullock's Oriole | Icteridae | 1 | 2024 | n/a | n/a | |
| Summer Tanager | Cardinalidae | 1 | 2024 | n/a | n/a | |
| Carolina Wren | Troglodytidae | 1 | 2024 | n/a | n/a | |
| American Robin | Turdidae | 1 | 2024 | n/a | n/a |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.