Elvin ( Michael Ward ) says that a dromedary is a camel with two humps. That is not correct. A dromedary has one hump. It is the Bactrian camel that has two humps.
When the sergeant and the bird enthusiast are getting acquainted, the background seen through the train window includes two large signs, both mirror-reversed.
Jumping out of a speeding train in that way would be certain death.