In today's picture: Corvus imperatus (known as Tamaulipas crow). #CORVUSPHERE #CorvusImperatus #TamaulipasCrow 

In today's picture: Corvus ossifragus (known as fish crow). #CORVUSPHERE #CorvusOssifragus #FishCrow 

In today's picture: Corvus albicollis (known as white-necked raven). #CORVUSPHERE #CorvusAlbicollis #WhiteNeckedRaven 

In today's picture: Corvus corone (known as carrion crow). #CORVUSPHERE #CorvusCorone #CarrionCrow 

In today's picture: Corvus cornix (known as hooded crow). #CORVUSPHERE #CorvusCornix #HoodedCrow 

In today's picture: Corvus macrorhynchos (known as large-billed crow). #CORVUSPHERE #CorvusMacrorhynchos #LargeBilledCrow 

In today's picture: Corvus hawaiiensis (known as Hawaiian crow). #CORVUSPHERE #CorvusHawaiiensis #HawaiianCrow 

In today's picture: Corvus tasmanicus (known as forest raven). #CORVUSPHERE #CorvusTasmanicus #ForestRaven 

In today's picture: Corvus mellori (known as little raven). #CORVUSPHERE #CorvusMellori #LittleRaven 

In today's picture: Corvus ruficollis (known as brown-necked raven). #CORVUSPHERE #CorvusRuficollis #BrownNeckedRaven