But instead of devouring the rat right away, the blue heron took its time. Video shows the large bird tried to make the most ...

When they arrived at our local animal facility, the males were about 1 month old and were housed in groups of five individuals in large plexiglass cages with free access to laboratory rat pelleted ...

A 9-month-old adult female Sprague-Dawley rat from a colony of spinally transected ... of this fluid using a Wright-Giemsa stain revealed large numbers of bacteria, and a moderate number of ...