The last several decades of research on avian cognition have revealed surprising parallels
between the abilities of birds—most notably corvids—and great apes. Parrots, albeit far less …

Predation is an important selective pressure that can influence prey species in numerous
ways. Predator–prey relationships are, however, poorly understood in taxa not typically …

Behavioral responses to novelty, including fear and subsequent avoidance of novel stimuli,
ie, neophobia, determine how animals interact with their environment. Neophobia aids in …

Spontaneous recognition of a novel object is a popular measure of exploratory behavior,
perception and recognition memory in rodent models. Because of its relative simplicity and …

The playful (ie, not overtly functional) combination of objects is considered a potential
ontogenetic and phylogenetic precursor of technical problem solving abilities, as it may lead …

In her comprehensive and carefully crafted book, Gisela Kaplan demonstrates how
intelligent and emotional Australian birds can be. She describes complex behaviours such …

Biomedical research focusing on physiological, morphological, behavioral, and other
aspects of development has long depended upon the chicken (Gallus gallus domesticus) as …

Highlights•Exploration and object play are difficult to distinguish and serve similar
functions.•Object play might aid certain foraging techniques in specialists.•Generalists might …

Emotional contagion–the alignment of emotions between individuals through behavioral
synchronization–is proposed as a key, basic component of human social cognition and …

Corvids are known for their cognitive flexibility, and many have innovated various forms of
tool use. Here, we review tool use and tooling in common ravens (Corvus corax) and …