The Grizzhawk of Temic

The Grizzhawk of Temic gets +1/+0 for each
bird you control.
The Grizzhawk of Temic gets +0/+1 for each
bear you control.
Whenever a creature you control attacks,
create a 1/1 white bird creature token with
flying or a 2/2 green bear creature token.
"Does it roar or hoot?"