Cub (an acrostic poem)

Image: goodnewsnetwork.org/wp-content/uploads/2019/07/Baby-Bear-Cub-Four-Paws-International-Facebook.jpg

Cuddly little bear tried to scare him, but he laughed

Until mamma poked her head out to see what was going on

Been up that tree for the past four hours.  Who is laughing now?