Aposematic theory has historically predicted that predators should select for warning signals
to converge on a single form, as a result of frequency‐dependent learning. However …

Although currently most taxonomists claim to adhere to the concept of 'phylogenetic
taxonomy', in fact most of the zoological classifications currently published are only in part …

The selective advantage of chemical defenses is evident by its occurrence in many groups
of organisms. Toxic and unpalatable substances are often employed by organisms to avoid …

Despite the impressive growth of knowledge on the phylogenetic systematics of dart-poison
frogs and their relatives (Dendrobatoidea) over the past decade, many problems remain to …

The Linnaean classification system provides the universal reference system for
communicating about the diversity of life and its hierarchic history. Several limitations that …

Guyana has a very distinctive herpetofauna. In this first ever detailed modern accounting,
based on voucher specimens, we document the presence of 324 species of amphibians and …

Spiny‐backed tree frogs of the genus O steocephalus are conspicuous components of the
tropical wet forests of the A mazon and the G uiana S hield. Here, we revise the phylogenetic …

Mesoamerica, the area composed of Mexico and Central America, is the third largest of the
world's biodiversity hotspots. The Central American herpetofauna currently consists of 493 …

Poison frogs (Dendrobatidae) are famous for their aposematic species, having a
combination of diverse color patterns and defensive skin toxins, yet most species in this …

The global amphibian trade is suspected to have brought several species to the brink of
extinction, and has led to the spread of amphibian pathogens. Moreover, international trade …