Mammals:
* White-tailed Deer: While not technically "long hair," they have a thick coat that gets longer in winter.
* Coyote: Known for their bushy tails and thick fur.
* Eastern Cottontail Rabbit: Soft, fluffy fur that changes color seasonally.
* Eastern Gray Squirrel: Bushy tails and longer fur in winter.
* Fox Squirrel: Similar to gray squirrels but with a reddish-brown coat and even bushier tails.
* Badger: Dense, shaggy fur, particularly around the head and neck.
* Muskrat: Thick, dark brown fur, often used for fur trading.
* Beaver: Dense, waterproof fur.
* Bobcat: Short but dense fur, with longer fur on the tail.
* American Black Bear: Long, black fur that provides insulation.
Birds:
* Great Horned Owl: Dense, mottled feathers.
* Downy Woodpecker: Soft, white feathers underneath.
* Hairy Woodpecker: Similar to downy woodpeckers but larger and with a more striking black and white pattern.
* Wild Turkey: Long tail feathers and a distinctive beard on the male.
* Northern Cardinal: Male cardinals have bright red plumage, while females are a more muted reddish-brown.
Other:
* Monarch Butterfly: While not long-haired in the traditional sense, they have long, colorful wings.
Note: This list is not exhaustive. There are many other animals in Iowa that could be considered to have "long hair," depending on your definition.