Mammals of Australia introductions of placental mammals into Australian fauna were about (rats), several thousand years ago (dingo), and 200 years ago (many species); the last two were made by humans. Some claims were made about placental mammal fossils from the Eocene of Australia, called "Tingamarra". These claims are based on only one found tooth having some characteristic features of condylarth, and were discussed widely. But both the age and placental nature of these fossils were challenged by other researchers. Monotremes are mammals with a unique method of reproduction: they lay eggs instead of giving birth to live young. Two of the five
What About Us (The Saturdays song) saying that "What About Us" is a pop track, and that is a good indication of what the expect from the album, and that they've paired up with Diane Warren to record a few ballads and not just pop tracks. "What About Us" is the only collaboration on the album. "What About Us" was confirmed as The Saturdays' first single to be released in North America, and would be released on 18 December 2012 to coincide with their American reality show, "Chasing the Saturdays". It was also revealed that the track would be released as the lead single from the