BANK SWALLOW
BARN SWALLOW
BARN SWALLOW
CLIFF SWALLOW
CLIFF SWALLOW
CLIFF SWALLOW
CLIFF SWALLOW
NORTHERN ROUGH-WINGED SWALLOW
PURPLE MARTIN, MALE
PURPLE MARTIN, FEMALE
TREE SWALLOW
TREE SWALLOW
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BANK SWALLOW

Mississippi River, Mud Lake, Iowa
BARN SWALLOW

Dubuque, iowa
BARN SWALLOW

Green Island Wetlands, Iowa
CLIFF SWALLOW

Green Island Wetlands, Iowa
CLIFF SWALLOW

Li. Maquoketa River Valley, Iowa
CLIFF SWALLOW

Li. Maquoketa River Valley, Iowa
CLIFF SWALLOW

Li. Maquoketa River Valley, Iowa
NORTHERN ROUGH-WINGED SWALLOW

Green Island Wetlands, Iowa
PURPLE MARTIN, MALE

Mississippi River, Mud Lake, Iowa
PURPLE MARTIN, FEMALE

Mississippi River, Mud Lake, Iowa
TREE SWALLOW

Green Island Wetlands, Iowa
TREE SWALLOW

Green Island Wetlands, Iowa