Yes, all mammals' eyes have an iris.
Flying squirrels are nocturnal and have larger eyes. Flying squirrels also have a flap of skin that they use for gliding.
A group of flying squirrels is called a "Dray".
The Flying Squirrels prey is mostly fungi.
Richmond Flying Squirrels was created in 2009.
depends upon the tree or object it is flying from/to.
Flying squirrels search for food on the ground, in trees, and in bushes.
Squirrels have black eyes, except for albino squirrels that have red eyes. One time I looked into a squirrels eyes in daylight, and actually the iris was really dark brown looking with huge black pupils. It's either black or really dark brown.
Flying nuts
yes there is a whole species called the Mexican Flying Squirrels
Since flying squirrels are mainly active at night, owls are the main predator.
Bats are the flying mammals. There are some squirrels that 'glide' that are referred to as flying squirrels.
squirrels don't have wings