Blacktail Deer Plateau wendigo

Other than a couple of past and present tense errors you did fine! Mordecai is stargazing... which I think is estrella contemplando in Spanish? It has been over ten years since I took it in secondary school.

To the common passerby, Mordecai would have appeared asleep. But he was far from it in all truth. Various tales from the past were stirred up by his silent observation of the night sky, many of them riddled with holes from the long time it had been since he had dwelled upon them. It had been a long time since he had family around to repeat them and so like many things, time had allowed them to erode away.

Much like his contemplation eroded his awareness of his surroundings; the quiet approach of the younger wolf was hidden beneath his thoughts. It wasn't until she had unceremoniously plopped down near him that Mordecai took note of her and the murmuring sway of her growl. He listened for no more than a few moments. "Can't sleep?"