Chemical records in teeth confirm elusive Alaska lake seals are one of a kind

May 17, 2019

[Adapted from a news release by the University of Washington] Hundreds of harbor seals live in Iliamna Lake, the largest body of freshwater in Alaska and one of the most productive systems for sockeye salmon in the Bristol Bay region. Sometime in the distant past, a handful of harbor seals likely migrated from the ocean […]



Tracing the ivory trail

November 2, 2016

More than 90 percent of ivory in large seized shipments came from elephants that died less than three years before, according to a new University of Utah study. Combining radiocarbon ivory dating with genetic analysis provides a picture of when and where poachers are killing elephants, useful tools in the ongoing battle against illegal animal […]



Hippo teeth reveal environmental change

September 8, 2016

Sept. 12, 2016— Loss of megaherbivores such as elephants and hippos can allow woody plants and non-grassy herbs and flowering plants to encroach on grasslands in African national parks, according to a new University of Utah study, published September 12 in Scientific Reports. The study used isotopes in hippopotamus teeth to find a shift in […]