Seasonality and climate change [ 12:15 | 11.22 MB ] Play Now | Play in Popup | Download

Rising temperatures as a result of climate change promise to alter the behaviors of temperature-sensitive organisms. But climate change is also affecting the timing of seasons, which can throw off the alarm clock for critical behaviors, such as breeding. In this edition of Field Talk, we speak with Shaye Wolf, a biologist at the Center [...]

The Sacrificial Sibling Hypothesis [ 10:45 | 4.92 MB ] Play Now | Play in Popup | Download

The success of an animal or plant is determined by how many offspring it produces. But in some cases, not all offspring are created equal. In the February edition of Field Talk, Jaboury Ghazoul of the Swiss Federal Institute of Technology in Zurich, Switzerland, describes how some species of trees invest resources in seeds that [...]

Lizard Evolution and the Ants In Your Pants Dance [ 9:36 | 8.78 MB ] Play Now | Play in Popup | Download

Invasive red fire ants from South America have become a major pest in southwestern U.S., bringing their stinging venom and crop-destroying ways. In this edition of Field Talk, we catch up with Tracy Langkilde, assistant professor of biology at Penn State University, who studies one of the ants’ seemingly unlikely targets: eastern fence lizards. The [...]