Wow Joe! These are world class! I am thinking National Geographic quality.
What super cool images, and I had no idea the babies were called Colts. How funny in a way.
I like #1 a lot because of the adults, but also the way the one baby is laying it's head on the other. Then #2 is cool to see the baby walking, and #3 is awesome in how the baby is resting. And such great detail in both of those! I like #4 because the baby is looking at you, and of course the tender moment in #5 as the adult feeds the baby.
At what point do the babies begin to get the red marking on their head?