Quantification abilities in angelfish (Pterophyllum scalare): the influence of continuous variables

Spontaneous discrimination of small quantities: shoaling preferences in angelfish (Pterophyllum scalare)

(2011) Luis M. Gómez-Laplaza et al.   ANIMAL COGNITION

The use of numerical information by bees in foraging tasks

(2011) Noam Bar-Shai et al.   BEHAVIORAL ECOLOGY

Numerical competence in animals, with an insight from ants

(2011) Zhanna Reznikova et al.   BEHAVIOUR

Can angelfish (Pterophyllum scalare) count? Discrimination between different shoal sizes follows Weber’s law

(2010) Luis M. Gómez-Laplaza et al.   ANIMAL COGNITION

Free-ranging dogs assess the quantity of opponents in intergroup conflicts

(2010) Roberto Bonanni et al.   ANIMAL COGNITION

Is it only humans that count from left to right?

(2010) R. Rugani et al.   Biology Letters

Group Choice as a Function of Group Size Differences and Assessment Time in Fish: The Influence of Species Vulnerability to Predation

(2010) Jens Krause et al.   ETHOLOGY

Quantity discrimination in salamanders

(2010) P. Krusche et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Large Number Discrimination by Mosquitofish

(2010) Christian Agrillo et al.   PLoS One

Ontogeny of Numerical Abilities in Fish

(2010) Angelo Bisazza et al.   PLoS One

Local rather than global processing of visual arrays in numerosity discrimination by pigeons (Columba livia)

(2009) Jacky Emmerton et al.   ANIMAL COGNITION

Horses (Equus caballus) select the greater of two quantities in small numerical contrasts

(2009) Claudia Uller et al.   ANIMAL COGNITION

Disentangling the effects of group size and density on shoaling decisions of three-spined sticklebacks (Gasterosteus aculeatus)

(2009) Joachim G. Frommen et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Use of Number by Fish

(2009) Christian Agrillo et al.   PLoS One

Number-Based Visual Generalisation in the Honeybee

(2009) Hans J. Gross et al.   PLoS One

Arithmetic in newborn chicks

(2009) R. Rugani et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Perception of food amounts by chimpanzees based on the number, size, contour length and visibility of items

(2008) Michael J. Beran et al.   ANIMAL BEHAVIOUR

The discrimination of discrete and continuous amounts in African grey parrots (Psittacus erithacus)

(2008) Syrina Al Aïn et al.   ANIMAL COGNITION

Quantity judgments of sequentially presented food items by capuchin monkeys (Cebus apella)

(2008) Theodore A. Evans et al.   ANIMAL COGNITION

Do fish count? Spontaneous discrimination of quantity in female mosquitofish

(2008) Christian Agrillo et al.   ANIMAL COGNITION

Oscillations in shoal cohesion in zebrafish (Danio rerio)

(2008) Noam Y. Miller et al.   BEHAVIOURAL BRAIN RESEARCH

Quantity discrimination in felines: a preliminary investigation of the domestic cat (Felis silvestris catus)

(2008) Paola Etel Pisa et al.   JOURNAL OF ETHOLOGY

Discrimination of small numerosities in young chicks.

(2008) Rosa Rugani et al.   JOURNAL OF EXPERIMENTAL PSYCHOLOGY-ANIMAL LEARNING AND COGNITION