R ReadLittle The Kids' Encyclopedia
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ReadLittle

The kids' encyclopedia

Welcome to ReadLittle! Discover short, fact-filled articles written in friendly language for curious readers in grades 3–4, each with quizzes and illustrations to help learning stick.

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Featured articles

Gelada

Gelada

Geladas live only on the high plateaus of Ethiopia, where they graze on grasses like antelope and sleep on cliff ledges. Bright red chest patches, complex vocalizations, and multi-level societies m...

Baboon

Baboon

Baboons are large Old World monkeys that roam African savannas, woodlands, and rocky cliffs in troops numbering from a dozen to several hundred. Their flexible diets, complex dominance hierarchies,...

Mongoose

Mongoose

Mongooses are small carnivores native to Africa and Asia that hunt snakes, insects, and rodents with lightning reflexes. Some species live alone, while others like banded mongooses form clans that ...

Howler monkey

Howler monkey

Howler monkeys are large New World primates famous for dawn choruses that can be heard kilometers away. Their prehensile tails, leaf-heavy diets, and social groups keep them thriving in Central and...

Tayra

Tayra

The tayra is a sleek mustelid from Mexico to northern Argentina that races through forests, plantations, and savannas while hunting rodents, birds, and fruit. Curious and adaptable, it climbs trees...

Tamarin

Tamarin

Tamarins are small New World monkeys known for colorful fur, expressive mustaches, and cooperative families that share baby care. Found from the Amazon Basin to Atlantic forests, they eat fruit, ne...

Pygmy marmoset

Pygmy marmoset

The pygmy marmoset is the world’s smallest monkey, barely 15 centimeters long, living in the western Amazon. It uses chisel-like teeth to gouge tree bark for sap and relies on close-knit family gro...

Saki

Saki

Sakis are rainforest monkeys from northern South America with shaggy coats, bushy tails, and powerful jaws that crack hard nuts and seeds. Pairs or small family groups leap through the understory, ...

Capuchin

Capuchin

Capuchins are small New World monkeys with tufted heads, clever hands, and flexible diets that range from fruit and nuts to insects and frogs. Their curiosity and problem-solving skills help them t...

Ape

Ape

Apes are tailless primates that include gibbons, orangutans, gorillas, chimpanzees, bonobos, and humans. They use flexible shoulders, strong hands, and complex brains to navigate forests, plan tool...

Exponentiation

Exponentiation

Exponentiation is a way to show repeated multiplication in a shorter form. It uses a small number called an exponent to tell how many times a number is multiplied by itself.

Gibbon

Gibbon

Gibbons are small apes from South and Southeast Asia that race through rainforest canopies using brachiation, a hand-over-hand swing powered by long arms and hooklike fingers. Lifelong pairs defend...