I noticed this on my recent visit to Disneyland that one of the elephant was missing.
YouTube - ‪Dumbo Isn't the Only Flying Elephant at Disneyland Park‬‏
Once every 7-10 years, the Jungle Cruise elephants are given a "check-up,"
which takes about 7 weeks. When her refurbishment is complete, she will return
to the Jungle Cruise and will once again be what the skippers call, "the largest
and most feared animal in our jungle - the mother-in-law!" Read more at the
Disney Parks Blog: http://bit.ly/lUZZ7U