I argue that the evolution of our life history, with its distinctively long, protected human
childhood, allows an early period of broad hypothesis search and exploration, before the …

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 …

Given that many behavior patterns cluster together in sequences that are organized to solve
specific problems (eg, foraging), a fruitful perspective within which to study behaviors is as …

The problem of common sense remains a major obstacle to progress in artificial intelligence.
Here, we argue that common sense in humans is founded on a set of basic capacities that …

Play behaviour and tool using in birds, two well-delineated and amply researched
behaviours, have generally been associated with cognitive abilities. In this study, these …

Following concerns over increasing global plastic pollution, interest in the production and
characterization of bio-based and biodegradable alternatives is rising. In the present work …

Social play has been described in many animals. However, much of this social behaviour
among birds, particularly in adults, is still relatively unexplored in terms of the environmental …

Play is a suite of apparently non‐functional, pleasurable behaviours observed in human and
non‐human animals. Although the phenomenon has been studied extensively, no …

Few species play socially with another species, hereafter called interspecific social play
(ISP). ISP involves reading and responding appropriately to social cues of other species …

Sexual selection research has been dominated by the notion that mate choice selects for the
most vigorous displays that best reflect the quality of the courter. However, courtship …