- Bald Eagle
- Bar-headed Goose
- Bar-tailed Godwit
- Barn Swallow
- Barnacle Goose
- Bateleur
- Bearded Reedling
- Bearded Vulture
- Black-chested Buzzard-Eagle
- Black-crowned Night Heron
- Black-headed Gull
- Black-legged Kittiwake
- Black-necked Grebe
- Black-necked Stilt
- Black-necked Swan
- Black-winged Stilt
- Black Crowned Crane
- Black Kite
- Black Redstart
- Black Stork
- Black Swan
- Black Woodpecker
- Blacksmith Lapwing
- Blue-and-yellow Macaw
- Blue-billed Teal
- Blue-faced Honeyeater
- Blue-winged Goose
- Blue-winged Kookaburra
- Blue-winged Teal
- Blue Crane
- Booted Eagle
- Brahminy Kite
- Brambling
- Brazilian Teal
- Bufflehead
- Bush Stone-curlew