This looks like prey. Big prey, challenging prey, with those massive tusks. He is not prepared to hunt here, but he regards the mammoth with interest, and respect. Food that has a fair chance of killing its predator is worthy of immense respect.

"No leash," he says, and sits. His gaze is maybe a little creepy in its intensity, but he seems unlikely to lunge. "I fell through the darkness, between the stars, and it broke."

Even he isn't sure how literally or metaphorically he's speaking, apparently.