Black-tailed Gnatcatcher
Polioptila melanura
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyPolioptilidae (Gnatcatchers and Gnatwrens)
- GenusPolioptila (Gnatcatchers)
- SpeciesPolioptila melanura (Black-tailed Gnatcatcher)
Closest Relatives at Big Bend National Park
Blue-gray Gnatcatcher
Polioptila caerulea
Northern Mockingbird
Mimus polyglottos
Common Raven
Corvus corax
House Finch
Haemorhous mexicanus
Cactus Wren
Campylorhynchus brunneicapillus
Pyrrhuloxia
Cardinalis sinuatus
Yellow-rumped Warbler
Setophaga coronata
Ash-throated Flycatcher
Myiarchus cinerascens
Northern Cardinal
Cardinalis cardinalis
Canyon Towhee
Melozone fusca
Verdin
Auriparus flaviceps
Black-throated Sparrow
Amphispiza bilineata
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Big Bend National Park | 🇺🇸 United States | |
| 2 | Joshua Tree National Park | 🇺🇸 United States | |
| 3 | Guadalupe Mountains National Park | 🇺🇸 United States | |
| 4 | Cumbres de Monterrey National Park | 🇲🇽 Mexico | |
| 5 | Death Valley National Park | 🇺🇸 United States | |
| 6 | Grand Canyon National Park | 🇺🇸 United States |
Quick answers
What are the chances of seeing a Black-tailed Gnatcatcher in Big Bend National Park?
About 26% of visitor-days record a Black-tailed Gnatcatcher sighting in Big Bend National Park, based on 1139 observer-days of citizen-science data from GBIF.
When is the best time to see Black-tailed Gnatcatcher in Big Bend National Park?
November has the highest sighting rate for Black-tailed Gnatcatcher in Big Bend National Park in our monthly data.