don, you say your friend soren is a saurornitholestes? well, they're warm-blooded creatures just like all birds and mammals and some of us dinosaurs, including me. >> you're warm-blooded? >> yep! all of us troodons are. as a warm-blooded animal, soren uses that heat to keep those eggs of hers snuggly warm. >> oh, ok. i'm glad i don't have to worry about soren and her eggs. >> um, mr. conductor, are pteranodons warm-blooded? >> good question, tiny. actually pteranodons are not warm-blooded like birds and mammals. they need to get some help from the sun to warm up. >> yes! i knew i was cold-blooded. >> whoa! >> time for a winter solstice feast! >> oh, boy! food! >> give her, travis. >> ♪ and tonight the snowflakes are gently gonna fall >> we'll dance together we're gonna shake a feather we're gonna have a ball it's the season for train rides and snowing the reason everybody's going to the great big dinosaur holiday in the snow the great big dinosaur holiday in the snow ♪ [cheering] >> yay! it finally stopped snowing, eh? >> and here's t
