Stimuli‐responsive colors are a unique characteristic of certain animals, evolved as either a
method to hide from enemies and prey or to communicate their presence to rivals or mates …

Sleep is ubiquitous in the animal kingdom and yet displays considerable variation in its
extent and form in the wild. Ecological factors, such as predation, competition, and …

The concept of stress is notoriously difficult to define, despite its ubiquity in both common
parlance and the scientific literature. Given the clear importance of understanding how …

Color change serves many antipredator functions and may allow animals to better match
environments or disrupt outlines to prevent detection. Rapid color change could potentially …

Preserved melanin pigments have been discovered in fossilised integumentary appendages
of several amniote lineages (fishes, frogs, snakes, marine reptiles, non‐avialan dinosaurs …

Predator–prey interactions drive the evolution of prey visual camouflage, but prey species
also must remain conspicuous to their conspecifics for social signaling purposes. Whether …

Cuttlefish skin is a powerful rendering device, capable of producing extraordinary changes
in visual appearance over a broad range of temporal scales. This unique ability is typically …

Males and females often differ in use of antipredator behaviors, particularly when
antipredator behavior comes at the cost of missed mating opportunities or territory defense …

Lizards perform a broad behavioral repertoire during their courtship and mating events that
allows recognition of the opposite sex, males to assess female receptivity, and females to …

Identifying how ecotourism affects wildlife can lower its environmental impact. Human
presence is an inherent component of ecotourism, which can impact animal behavior …