Social Behavior in Palaeocene Metatherians

Textbooks often describe late Cretaceous or early Palaeocene mammals as small, nocturnal, and solitary (Figure 1). That description has recently been amended thanks to a remarkable suite of fossil metatherians from Read More...

To Lek, or Not to Lek – The Sex Life of Antechinuses

Among mammals, lek mating is rare. A lek is a traditional display site where females congregate to select a mate from among the many males competing for her attention. While leks are relatively common in Read More...

Marsupial radiations revealed

Living metatherians exist in two strongholds: the Neotropics (Mexico, Central America, and South America) and the Australasian region (Australia, Tasmania, New Guinea, and nearby islands). One hypothesis to explain this odd distribution proposes that metatherians Read More...