Mother’s day is a much bigger deal than Father’s day. Why? Well, there’s just something extra special about mom (sorry Dad!). So, today’s post is about an under-appreciated group of moms (you guessed it), Arizona black rattlesnakes! Human moms – you think you have it tough? Rattlesnake maternal duties may only last a couple weeks,… Read More


Priscilla, Lois, and Arli spent their pregnancy together at a rookery from May through August, 2010. Arli moved away to a private nest shortly before giving birth. Priscilla & House, 1 September 2010 On 30 August 2010 we observed Priscilla (pregnant adult female) discouraging House (neonate / newborn) from potential exposure to a human predator.… Read More