Endangered Animals: Encyclopedia & Action Guide

New Wild Cat Species Discovered in Bolivia: Meet the Tilcayo

Meet Leopardus tilcayo, a newly described wild cat from Bolivia’s Yungas cloud forest. Learn its size, appearance, disc···

20 Endangered Animals in Guanajuato, Mexico: Species at Risk

Meet 20 endangered and protected animals in Guanajuato, from jaguars and ocelots to rare wetland birds, bats, reptiles a···

10 Rarest Monkeys in the World: Species, Status & Threats

Discover 10 of the rarest monkeys in the world, including Roloway monkeys, red colobus, rare langurs and snub-nosed monk···

20 Endangered Animals of Peru: Status, Threats & Conservation

Discover 20 endangered and threatened animals of Peru, including Andean bears, rare primates, river dolphins, frogs, bir···

10 Endangered Fish—and How We Can Still Save Them

TL;DR: Overfishing is the #1 driver pushing many marine fish toward extinction, especially slow-growing, late-maturing s···

How Charismatic Megafauna Drive Real Conservation

One-sentence take: “Charismatic megafauna” (aka flagship species) are large, highly appealing animals—think giant pan···

Why Are Pandas Endangered? Causes, Progress & Next Steps

Bottom line: Giant pandas (Ailuropoda melanoleuca) were downlisted from Endangered → Vulnerable in 2016 after decades o···

Mary River Turtle: Punk-Haired Relic on the Edge of Extinction

Common name: Mary River turtleScientific name: Elusor macrurusRange: Mary River catchment, Queensland, Australia (very s···

Are Frogs Near Extinction? Causes, Fixes, and What You Can Do

Bottom line: Since ~1970 the world has lost ~200 frog species. Frogs survived the dinosaur-ending K–Pg extinction, yet ···

How the Endangered Species Act Fueled a Sea Turtle Comeback

In one line: Since the U.S. Endangered Species Act (ESA) took effect in 1973, most protected marine mammals and sea turt···

Romeo the Lonely Frog Finds Juliet — and Hope for a Species

Headline factsThe protagonist is the Sehuencas water frog (Telmatobius yuracare), a Bolivian stream frog once feared dow···

Where Axolotls Live—and Why They Stay Baby-Faced for Life

Common names: Axolotl, Mexican axolotl (often miscalled “Mexican walking fish”)Scientific name: Ambystoma mexicanumGro···

Queen Conch: Why This Caribbean Sea Snail Needs Your Help

Common names: Queen conch, pink conchScientific name: Lobatus gigas (formerly Strombus gigas)Type: Marine gastropod (sea···

Aye-aye: The Pinky-Tapping Lemur of Madagascar (Full Guide)

Common name: Aye-ayeScientific name: Daubentonia madagascariensisOrder: Primates → Strepsirrhines (lemur lineage)Size: ···

5 Lazarus Species: Animals Declared “Extinct” and Found Again

At a glanceLazarus species are organisms presumed extinct that are later rediscovered (e.g., coelacanth, takahē).They o···

Amazon River Dolphin (Boto): Why Do Some Turn Pink?

Scientific name: Inia geoffrensisAlso called: Amazon river dolphin, boto, pink river dolphinSize: Up to ~2.4 m (8 ft) an···

Rarest Animals: 10 Critically Endangered Species to Know

At a glanceIcons like the African forest elephant, Tapanuli orangutan, and vaquita are among the most imperiled, squeeze···

Reticulated Python: World’s Longest Snake (Habitat, Diet, Eggs)

Scientific name: Python reticulatusAlso called: Retic, reticulated pythonRange: South & Southeast Asia (e.g., Indone···

African Wild Dog (Painted Wolf): Facts, Habitat & Threats

Scientific name: Lycaon pictus (monotypic genus Lycaon)Common names: African wild dog, painted wolf, Cape hunting dogFam···

Angel Shark (a.k.a. “Sand Devil”) — The Flat-Bodied Ambush Predator of the Seafloor

Genus/Family: Squatina / Squatinidae (angel sharks)Common names: Angel shark, Sand devilTypical size: ~1.5 m (about 5 ft···

Binturong (Bearcat) Facts & Guide: Neither Bear nor Cat

Scientific name: Arctictis binturongCommon names: Binturong, BearcatOrder / Family: Carnivora / Viverridae (the civet fa···

Black Rhinoceros (Diceros bicornis): Profile, Threats, and the Path to Recovery

Key TakeawaysCritically endangered: Fewer than 6,500 black rhinos remain due to poaching and habitat loss.Hook-lipped br···

Blue Whale (Balaenoptera musculus): Size, Sound, Habitat, Diet & Protection

Key TakeawaysWorld’s biggest animal: Up to ~110 ft (33.5 m) and ~330,000 lb (150 t).Filter-feeder: Specializes in krill···

Eastern Lowland Gorilla (Gorilla beringei graueri): The World’s Largest Gorilla, on the Edge

Key TakeawaysBiggest gorilla by body mass; endemic to the eastern Democratic Republic of the Congo (DRC), mainly lowland···