Amazon

Fish are probably not the first animals that leap to mind when thinking of seed dispersers. Squirrels are well-known examples, but researchers have recently tracked a species of frugivorous—that is, fruit-eating—piranha in the Amazon that distribute seeds over more than five kilometers of flood plains. As Daniel Cressey described in a Nature News article, “Although fish have long been suspected…

The gardeners described here are not concerned with trimmed topiaries or manicured lawns—though, like designers of landscape gardens, these workers are exceptionally picky. And they have to be if they are going to survive. That is, ants such as Myrmelachista schumanni and Camponotus femoratus of South America depend on certain plants for shelter, and in return, they offer these plants…

Video games that guide the movement of paramecia, dogs trained to aid in data collection, the evolution of seeds in the Amazon Rainforest, environmental degradation captured as art and the successful rescue of more than 100 bats stranded by the devastating floods in Australia. Here are stories in ecology for the third week in January 2011. PAC-mecium: Stanford University researchers…