ural - Wach
- Ural owl
- uralinė pelėda
- Uratelornis
- Uratelornis chimaera
- Uria
- Uria aalge
- Uria lomvia
- Urichkleintyrann
- Uricho mažasis tironas
- Urich`s tyrannulet
- Uroaëtus audax
- Urochroa
- Urochroa bougueri
- Urocissa
- Urocissa caerulea
- Urocissa erythrorhyncha
- Urocissa flavirostris
- Urocissa ornata
- Urocissa whiteheadi
- Urocoliinae
- Urocolius
- Urocolius indicus
- Urocolius macrourus
- Urocynchramus
- Urocynchramus pylzowi
- Urodynamis taitensis
- Uroglaux
- Uroglaux dimorpha
- Urolais
- Urolais epichlorus
- Uropelia
- Uropelia campestris
- Uropsalis
- Uropsalis lyra
- Uropsalis segmentata
- Uropsila
- Uropsila leucogastra
- Urorhipis
- Urorhipis rufifrons
- Urosphena
