Books
Dehaene, S. (2011). The number sense: How the mind creates mathematics
Butterworth, B. (2022). Can Fish Count?: What Animals Reveal about Our Uniquely Mathematical Mind
Abstract number systems and "number sense"
The two universal "number sense" systems for large and small quantities
Abstract number systems in human and animal brains
Ancient "counting bones"
The power of numerical discrimination (from 1871)
How we determine "visual number"
Large number bias and why we can't judge "random" number sequences
Evidence for a "mental number line"
Overestimating small magnitudes and underestimating large magnitudes
Number sense in babies and young children
Addition and subtraction in newborns
Infants can determin eabstract numbers
Number sense in non-human animals
Number sense across the animal kingdom
Number sense in monkeys
Number systems in fish
Counting in crows
Honeybees counting landmarks
Evidence for counting in insects
Number sense and defense against intruders in chimpanzees