Claim: In June of 2010 the "Mom Beaver" died from an infection and the following year a new adult Martinez beaver gave birth.
Evidence: In June, 2010, after birthing and successfully weaning triplets that year (and quadruplets the previous three years), "Mom Beaver" died of infection caused by a broken tooth, as confirmed by necropsy. In 2011, a new adult female arrived at the creek and has given birth to three beavers.