Black-bellied whistling duck Dendrocygna autumnalis Location: San Antonio Zoo, San Antonio TX Year: 1994 Merckslides catalogue number: 04-15261 Comments:

Black-bellied whistling duck Dendrocygna autumnalis Location: Sonoran Desert Museum, near Tucson AZ Year: 2016 Merckslides catalogue number: 04-89506 Comments:

Black-bellied whistling duck Dendrocygna autumnalis Location: Sonoran Desert Museum, near Tucson AZ Year: 2016 Merckslides catalogue number: 04-89512 Comments:

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