We experimentally examined patterns of diurnal retreat site use by 50 adults of Bufo marinus in a 45 m2 enclosure containing 18 artificial shelters, nine each in its eastern and western halves. At 15 ...

Endangered species, Anaxyrus houstonensis, commonly known as the Houston toad, sit in containers, Wednesday, April, 13, at the Dallas Zoo in Dallas, Texas. The species have been on the endangered list ...