Who is first: the egg or the chicken?

Approximate evolution of a tyrannosaurus rex into a chicken
A shot from the cartoon “Shrek”
  1. They existed in the same period and lived on the same territory (I don’t think that these species would have met if they lived in different eras and in different countries or continents).
  2. They should not be large (it is unlikely that two large dinosaurs can make a small chicken).
  3. They don’t have to be carnivores (a chicken is not a carnivore, and therefore dinosaurs too).
  4. It is desirable to have at least remotely something in common with chicken :)
Оrnithomimus
Albertonykus borealis

PS. I wrote this article on medium.com. But since you need a photo, then just converted it to photo format.

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