Sawtooth Spire Paper Hearts

The paw was avoided somehow and Ata watched as the giant ball of fire fur leapt away from him to playfully confront his brother. Tail slapping his sides, he rushed away as Iqniq moved for him, inadvertently going exactly where the male was herding him. Suddenly, the stick became motivation, and his fat little puppy legs carried him in an uneven run after his father and brother.

Then there was another New Thing. New sound, new smell. Atuaserk stopped in his tracks, staring down at the tiny stream, head twisting and tilting to the side as he examined it. His bright blues found his brother for a moment to see what he was doing before the first born suddenly bounded in like a clydesdale, splashing water where he could. The cold wetness surprised him at first and he looked at his father, blinking for a moment before he opened his mouth and....

"Ahhhtaaaaa?" Perhaps it was some form of Atatak and perhaps not, but surely it was some form of what the hell is this?