In the classroom, Steven says woodpeckers bang on trees at night. Woodpeckers are not nocturnal and are only active in the daytime.
Michaela states that Darwin published his book "eleven years ago" Since Darwin published in 1859, this places the story in 1870, yet the next double episode "Washita" is based on the Washita Creek Massacre and that happened in 1868. The story creators seem to have no idea of when they have set the stories.