I am a 2d classical animator, illustrator, storyboard and concept sketch artist, I have more than 20 years experiencie in animation industry include 5 years working for Disney Feature animation.
Hi, can you send a sample of the birds so i can give you more acurate quotetion. As describe, i belive one bird per hour should be fine to animate, if its the same character with different color would be just fine to make as mutch as 5 per hours. Message if you interested. Thank you.