Blue-Gray Gnatcatcher
- Scientific Name: Polioptila Caerulea
- Common Name: Blue-Gray Gnatcatcher
- Diet: insects, spiders
- Color: gray
- Size: 4.5 inches
- Active Period: Winter
- Habitat: widespread
- Field Identification: long tail, mostly white below, white eye ring, hyperactive
- Nest: tiny cup
- Kingdom: Animalia (Animals)
- Genus: Polioptila
- Family: Sylviidae (gnatcatchers)
- Order: Passeriformes
- Phylum: Chordata (hollow nerve cord)
- Subphylum: Vertebrata (backbone)
- Species: caerulea
