Grzimek Birds
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- striped cuckoo
Tapera naevia
- striped cuckoo
- Hartlaub's turaco
Tauraco hartlaubi
- Hartlaub's turaco
- purple-crested turaco
Tauraco porphyreolophus
- purple-crested turaco
- Laysan finch
Telespyza cantans
- Laysan finch
- ash-winged antwren
Terenura spodioptila
- ash-winged antwren
- African paradise-flycatcher
Terpsiphone viridis
- African paradise-flycatcher
- slaty-bellied tesia
Tesia olivea
- slaty-bellied tesia
- western capercaillie
Tetrao urogallus
- western capercaillie
- Tibetan snowcock
Tetraogallus tibetanus
- Tibetan snowcock
- Severtsov's hazel grouse
Tetrastes sewerzowi
- Severtsov's hazel grouse
- Severtsov's hazel grouse
Tetrastes sewerzowi
- Severtsov's hazel grouse
- little bustard
Tetrax tetrax
- little bustard
- black-browed albatross
Thalassarche melanophrys
- black-browed albatross
- cinereous antshrike
Thamnomanes caesius
- cinereous antshrike