for dinner each night, a study has found. scientists at brown university say understanding more about the dietary habits of wild elephants will help in their conservation. live now to montana, where we can speak to tyler kartzinel, an assistant professor in conservation biology, molecular ecology, ecology & evolutionary biology at brown university and the author of this research. lovely to see you. so do tell, how did you find this out? yes, so elephants how did you find this out? yes, so elephants are how did you find this out? yes, so elephants are really - so elephants are really interesting animals, just as you said. they are enormous, they eat a lot and they are dangerous to workaround, and all this makes it hard to figure out what they eat. we know generally that they eat the plants, and we know what types, grasses and trees, but keeping track of the enormous diversity of plant species that they eat is a really daunting challenge. the lead author of this challenge study,