What animal appears most on state flags?

The animal that appears most on state flags in the United States is the bird.

While there are variations, the most common bird featured is the eagle, followed by the bluebird and dove.

Here's a breakdown of the animal prevalence on US state flags:

* Bird: 26 states

* Mammal: 10 states (most commonly the bear, followed by the deer)

* Fish: 5 states

* Reptile: 2 states

* Insect: 1 state

* Other (like a plant): 5 states

It's worth noting that some states feature multiple animals on their flags, making the exact number of each animal a bit tricky to pin down.