In the 1930s, August Krogh, Homer Smith, and Ancel Keys knew that teleost fishes were
hyperosmotic to fresh water and hyposmotic to seawater, and, therefore, they were …

The article discusses advances in osmoregulation and excretion with emphasis on how
multicellular animals in different osmotic environments regulate their milieu intérieur …

Mass extinctions occur frequently in natural history. While studies of animals that became
extinct can be informative, it is the survivors that provide clues for mechanisms of adaptation …

Harvesting timber is a common form of land use that has the potential to cause declines in
amphibian populations. It is essential to understand the behavior and fate of insiduals and …

The skin is a barrier between the internal and external environment of an organism.
Depending on the species, it participates in multiple functions. The skin is the organ that …

Mounting evidence implicates the disease chytridiomycosis, caused by the fungus
Batrachochytrium dendrobatidis, in global amphibian declines and extinctions. While the …

The opportunity to prepare a second edition of a book that was originally written 30 years
ago has provided me with both a challenge and a source of pleas over ure; the former as it …

The fungus Batrachochytrium dendrobatidis (Bd) causes a lethal skin disease of
amphibians, chytridiomycosis, which has caused catastrophic amphibian die-offs around the …

The leaf or monkey frogs of the hylid subfamily Phyllomedusinae are a unique group of
charismatic anurans. We present a molecular phylogenetic analysis that includes 45 of the …

Environmental gradients are instrumental in shaping the distribution and local abundance of
species because at the most fundamental level, an organism's performance is constrained …