Just A Bird Bouncing Balls off Concrete

It appears to be a red-legged seriema, also known as the crested cariama, and crested seriema, they tend to catch small reptiles, and kill them by throwing them at a hard surface in the same manner you see here, it might have thought it had an egg, and tried to break it

You are always so informative!

Yeah, I do enjoy learning things, and if others can benefit from it, the better it is

Well I appreciate you!