Photo of zebra swallowtail

American wigeon (Anas americana) This dabbling duck migrates through Iowa. It is known for its whistle-like call and its short, stumpy bill that allows it to pluck vegetation to eat with ease. Blue-winged teal (Anas discors) Blue-winged teal are the second most abundant duck in America, behind the mallard. Common mudpuppy (Necturus maculosus) This salamander…

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