If you go to this website you can learn how to draw pigeon. Your child can copy this picture, or you can teach them how to draw it by going step by step. At school we call this directed drawing, I do the first step, and they copy, and so on.
https://www.the-best-childrens-books.org/Drawing-the-pigeon.html
Lunch Doodles: Mo Willems is also teaching children how to draw everyday at lunch. This link is to his first video on You Tube.
https://www.youtube.com/watch?v=RmzjCPQv3y8
He also has many activities and games on his website if your child is interested in exploring it.