Cognitive processes such as perception, learning, memory and decision making play an
important role in mate choice, foraging and many other behaviours. In this review, I …

Recent interest in the development and evolution of theory of mind has provided a wealth of
information about representational skills in both children and animals. According to J. Perner …

In understanding how visual signals function, quantifying the components of those patterns
is vital. With the ever-increasing power and availability of digital photography, many studies …

Cryptically coloured animals commonly occur in several distinct pattern variants. Such
phenotypic diversity may be promoted by frequency-dependent predation, in which more …

The use of video images in place of natural stimuli in animal behaviour experiments is
reviewed. Unlike most other artificial means of stimulus presentation, video stimuli can …

Spiders perceive the world using multiple sensory modes, including vibration, vision, and
chemical senses, for prey detection and communication. These sensory modes are used in …

Simple Summary Good animal welfare requires minimizing suffering and promoting positive
experiences. To achieve this, we need reliable indicators of animals' psychological states. In …

Nocturnal frog species rely extensively on vocalization for reproduction. But recent studies
provide evidence for an important, though long overlooked, role of visual communication. In …

Rapid technical advances in the field of computer animation (CA) and virtual reality (VR)
have opened new avenues in animal behavior research. Animated stimuli are powerful tools …

Primates exhibit a striking diversity of colors and patterns in their pelage and skin markings,
used in functions as diverse as camouflage to sexual signaling. In studying primate colors, it …