Continuity mistake: When Chris and Martin fly back to the Tortuga with their Buzz Bikes, suddenly in one shot Chris is sitting on Martin's bike and Martin is sitting on Chris' bike. In the next shot, they're back in their original places.

Continuity mistake: When Chris is trying to activate Hummingbird Power, his skin is suddenly lighter than in the previous shot.
Continuity mistake: When the Tortuga is in the twister Aviva is rolling on the ground, but then she is hanging on a tree branch in the air.
Mystery on the Prarie - S3-E14
Character mistake: If Chris and Martin are creature experts, they would have already known the buffalo birds are nest parasites.
Revealing mistake: When Martin is amazed about the osprey, Chris' hand clips through Martin's sleeve in front of it.