Moose sense of smell

[AZ8]

Getting mentally drained from all CV19 talk, so been watching hunting vids on YouTube. 
 

Stumbled onto this video. At around the 3:30 mark the wind gets gusty and squirrelly, yet the bull doesn’t seem alerted. Then he casually turns to walk away. In my experience, every elk would have blown out of there quick. I’ve never hunted moose and I find it fascinating there was no reaction to the wind giving up the hunter’s scent.