Simple Summary Various snake and lizard species have transparent and fused eyelids that
make up a spectacle. From an evolutionary point of view, it is assumed that ancestral snakes …

Famous for its blind cavefish and Darwin's finches, Latin America is home to some of the
richest biodiversity hotspots of our planet. The Latin American fauna and flora inspired and …

Background The visual organ plays a crucial role in sensing environmental information.
However, its mucosal surfaces are constantly exposed to selective pressures from aquatic or …

Squamates exhibit a vast diversity of body plans, which directly determines habitat use and
preference. Here the skeleton of the sand‐swimmer burrower gymnophthalmid …

Background The retinal pigmented epithelium (RPE) is a rounded shaped structure in
almost all lizards. In the New World dwarf geckos, this structure shows an unusual …

Background Lizards are excellent models to study the adaptations of the visual system to
different scenarios, and surface-dwelling representatives have been relatively well studied …

One of the most diverse groups of terrestrial vertebrates is the reptile order Squamata,
containing the lizards, snakes, and amphisbaenians (Pyron et al. 2013). Members can be …

In humans, social communication is mostly conveyed by facial expressions, which are
widely shared among Mammals. Based on current knowledge, we explore the concept of …