String pulling is one of the most widely used paradigms in comparative psychology. First
documented 2 millennia ago, it has been a well-established scientific paradigm for a …

Visual imprinting in chicks and song learning in songbirds are prominent model systems for
the study of the neural mechanisms of memory. In both systems, neural lateralisation has …

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

It has been hypothesized that cerebral lateralization can significantly enhance cognition and
that this was one of the primary selective forces shaping its wide-spread evolution amongst …

Unusual niches as well as unpredictable or seasonal resources foster a broader spectrum of
foraging techniques and often promote flexibility and physical innovations. This may lead to …

Ipsilateral retinal projections (IRP) in the optic chiasm (OC) vary considerably. Most animal
groups possess laterally situated eyes and no or few IRP, but, eg, cats and primates have …

Highlights•Different-handed fiddler crab fights are more escalated and costly.•Handedness
matching did not differ in fight duration, size of rivals or winner.•Positions of the claws might …

Lateral asymmetry in signalling traits enables males to strategically exploit their best side. In
many animals, both body colouration and fluctuating asymmetry are signals of male …

A preference for the left‐eye use during aggressive interactions has been widely reported in
the literature, even though in some cases the direction of lateralization varies among …

Behavioral lateralization at the population level is widespread across vertebrates, with
considerable variation among species. However, evidence for individual-level and sex …