How the sugar glider got to Tasmania and why this is bad news for difficult birds

When is a native species also invasive, and how can we tell? This may seem a strange question, but it highlights the difficulty we sometimes face determining the boundaries of the area in which a species naturally occurs. Especially when detection is imperfect and those boundaries may change over time. Animals move. Plants move. Sometimes…

What we’re reading: Oct 31, 2014

SNPits Publications Congrats to SNPits writers Emily and Stephanie on new publications released this work. Emily’s work (open) estimates the population size of black bears (Ursus americanus) in Missouri. But more importantly, the paper shows how design of trap array experiments can influence mark-recapture population size estimates. Stephanie’s work (open) details how variation in raccoon…