I just saw a comment you made 8 hours ago on one of my new things, I'm not getting the comments emails. Illustrator is fun! I paid $26 for an image but that was stupid. There's a lot of good vector stuff for free.
The bird on the right you are actually seeing at dusk.
See, birds survive cold nights by fluffing up their feathers and shivering. A bird can lose 15% of its body weight overnight. They eat all day and then shiver it off at night. So I'm thinking a few nights outside while moderating my daily intake should....... who am I kidding?