What is it?

 Vacation 4
"Tomorrow? Are you crazy? Rebecca, you have to get reservations, and your ticket, and well  it'll at least take an week to pack! Rebecca, no. I'll take care of the ticket and reservations, you can start packing!" Kandy stood up.
"Kandy please, decide if you want to stand up or sit down!" Rebecca glared.
"Oh, yes. Um, excuse me." Kandy tilted her head. She sat down with a thump and then crossed her arms. She unfolded her lap-top and started researching. She typed and clicked, and typed and clicked, when she stopped.
"Rebecca... look at this!" Kandy smiled. Rebecca shuffled over. She took a glance at the advertisement, but then swung her head to stare at it. There were jungle animals every where! Tigers, monkeys, birds, (they were labeled, that's how Rebecca new what they were) snakes, spiders, frogs, panthers, but what really caught Rebecca's eye was a small, tiny animal sitting in the corner of the page with no label, probably not even seen in the picture! What was that small creature?
"Kandy, what's that?" Rebecca glanced at Kandy.
"What? That? Um... that is a..."