Chimpanzees attacking and killing gorillas in the wild

A remarkable new paper has been published describing 2 lethal attacks by large coalitions of chimpanzees on smaller groups of western lowland gorillas in Loango National Park, Gabon. These are the first observations of their kind. Prior observations of the interactions between these two species of great ape, in regions of their range where they […]

A cleaning interaction between fish and humans

I recently published a short ‘natural history note’ describing an unexpected cleaning interaction between sailfin mollies (Poecilia latipinna) and humans in a Greek lake. In this lake I observed these normally skittish fish approach and graze on the exposed skin of bathing humans (myself and others), presumably removing dead skin cells in what amounts to […]

The amazing pike killifish

Pike are ambush predators with elongated bodies and toothy jaws. The pike body-form has evolved convergently in many different groups of fish on almost every continent and ocean. Examples of convergent evolution of pike in groups of fish from different geographic regions. These are just a few representative species, but dozens of others could have […]

On the Origin of Florida’s Introduced Species

Burmese pythons, green iguanas, bullseye snakehead, peacock bass……and the list goes on. Florida seems to be the epicenter for introduced species in the United States. Since moving to South Florida at the beginning of the year I have been amazed at the number and diversity of introduced species, and nowhere is this more evident than […]