Small and large number discrimination in guppies

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

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

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

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

Spatial Attention Determines the Nature of Nonverbal Number Representation

(2010) Daniel C. Hyde et al.   JOURNAL OF COGNITIVE NEUROSCIENCE

Newborn infants perceive abstract numbers

(2009) V. Izard et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

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

(2008) Syrina Al Aïn et al.   ANIMAL COGNITION

Do fish count? Spontaneous discrimination of quantity in female mosquitofish

(2008) Christian Agrillo et al.   ANIMAL COGNITION

All Numbers Are Not Equal: An Electrophysiological Investigation of Small and Large Number Representations

(2008) Daniel C. Hyde et al.   JOURNAL OF COGNITIVE NEUROSCIENCE

Adaptive numerical competency in a food-hoarding songbird

(2008) S. Hunt et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Shoaling in juvenile guppies: The effects of body size and shoal size

(2007) J.M. Ledesma et al.   BEHAVIOURAL PROCESSES