The Cenozoic marked a period of dramatic ecological opportunity in Earth history due to the
extinction of non-avian dinosaurs as well as to long-term physiographic changes that …

Many animal taxa perform stereotyped displays during ritualized contests over territory and
mates. Such displays facilitate assessment of an opponent's prowess and reduce the …

Simple Summary Invasive species on islands pose high risk to endemic flora and fauna
unable to defend themselves. In this study, we measure the effects of introduced predators …

The geographic isolation of conspecific populations can produce a diversification of signals
through genetic drift, which may be reinforced by selection if populations (or sibling species) …

Figure 1. Images of the specimen of Pseudalsophis steindachneri and representatives of its
prey.(A) Pseudalsophis steindachneri specimen's head (VCCDRS–367);(B) One of the three …

Aranzábal 2009). It is common in the amphibian ovary (Saidapur 1978) and is the
spontaneous degeneration of a diplotene oocyte by its own hypertrophied and phagocytic …

Following Darwin's visit to the Galápagos in 1835, the species of lava lizards inhabiting the
archipelago were scientifically described in the remaining decades of the 19th century …

Cannibalism is a common behaviour among snakes, but it has not yet been verified for any
of the nine species of Galápagos racer (Pseudalsophis spp.), a group endemic to the …

The Floreana mockingbird (Mimus trifasciatus) is one of the most endangered passerines in
the world, with a global population of c. 400 individuals, restricted to two isolated islets …

Methods We made observations on the interactions of M. bivittatus and its potential
predators, including P. biserialis, while studying various aspects of its ecology (Moore et al …