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Sibling aggression
Accipiter cooperii
2
Accipiter melanoleucus
2
Accipiter minullus
2
Accipiter nisus
2
Accipiter novaehollandiae
2
Accipiter rufiventris
2
Accipiter soloensis
2
Accipitriformes
2
Aquila adalberti
2
Aquila clanga
2
Aquila fasciatus
2
Aquila verreauxii
2
Aquila wahlbergi
2
Aviceda subcristata
2
Butastur rufipennis
2
Buteo albonotatus
2
Buteo augur
2
Buteo brachyurus
2
Buteo buteo
2
Buteo lagopus
2
Buteo lineatus
2
Buteo platypterus
2
Buteo regalis
2
Buteo swainsoni
2
Circus aeruginosus
2
Circus pygargus
2
Elanus scriptus
2
Geranoaetus melanoleucus
2
Gypaetus barbatus
2
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