FIELD JOURNAL, ENTRY Nº 825THU 30 OCT 2026 · NEW STORIES EVERY TUESDAY

Strange Animals

Strange Animals

Today Most read: Mantis Shrimp vs Pistol Shrimp →

Meet the strangest creatures on Earth.

Field notes on 200+ species that break the rules, written by biologists, free to read, new every week.

Mammals Reptiles Birds Marine Insects Extinct Pets View all

Mantis ShrimpPunches at 23 m/s, fast enough to boil water.Axolotl Shoebill

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200+ speciesAcross 7 groups

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1Mammals · 14 minPanda Cubs: From 100 Grams to 100 Kilograms in Two YearsPanda cubs weigh 85-130 g at birth, one of the smallest mother-to-cub ratios in mammals. Here is how they grow from pink blind newborn to independent adult.

2Mammals · 16 minBonobo: The Peace-Loving Primate of the Forest 3Marine Life · 14 minAtlantic Salmon: Wonders of Migration 4Reptiles · 13 minParson's Chameleon: Size and Characteristics 5Mammals · 18 minSpectacled Bear Conservation: Threats in the Andes 6Insects · 15 minMagnetic Termite: Nature's Living Compasses

Mammals

196 articles

Bears Big cats Ungulates

Research · 11 minLowland Streaked Tenrec: The Mammal That StridulatesA small Madagascan insectivore with yellow warning quills and a communication method borrowed from insects.

Ungulates · 6 minOkapi: The Forest Giraffe Hidden in the CongoDiscover the okapi, the shy rainforest relative of the giraffe. Learn about its zebra-striped legs, long tongue, Congo habitat, and conservation status.Sloths · 9 minPygmy Three-Toed Sloth: One of the Rarest MammalsThe endangered pygmy three-toed sloth is limited to a small island, making its survival critical for conservation efforts.Predators · 9 minWolverine: The Ferocious Predator of the WildWolverines are fierce predators, capable of outmatching larger animals while traversing harsh Arctic terrains.Predators · 9 minHoney Badger: The Fearless Survivor of the WildHoney Badger is known for its fearless nature and ability to confront much larger predators with remarkable resilience.Pangolins · 8 minSunda Pangolin: The Most Trafficked MammalSunda pangolins are the most trafficked mammals, characterized by their protective scales and unique feeding behaviors.Monotremes · 9 minShort-Beaked Echidna: The Spiny Egg-Laying MammalThe short-beaked echidna is an egg-laying mammal with unique adaptations, including sensory abilities for hunting insects.Marsupials · 9 minSpotted-Tail Quoll: Australia's Unique Carnivorous MarsupialExplore the attributes of the Spotted-Tail Quoll, Australia's largest carnivorous marsupial.Wolves and Wild Canines · 6 minFennec Fox: The Desert Survivor With Enormous EarsMeet the fennec fox, the smallest fox on Earth. Learn how its huge ears, furred feet, and water-thrifty body help it survive the Sahara desert.Research · 11 minAnimal Classification: Kingdom, Phylum, Class, OrderLearn how animals are classified into kingdom, phylum, class, and order. Explore taxonomy, Linnaean hierarchy, and how classification reveals animal diversity.

Reptiles & Amphibians

70 articles

Frogs Lizards Crocodilians

Lizards · 15 minThorny Dragon: The Desert Lizard That Drinks Through Its SkinDiscover the thorny dragon (Moloch horridus), the Australian desert lizard that drinks through its skin. Explore its unique adaptations, habitat, diet, and survival.

Frogs · 12 minTurtle Frog: The Burrowing Frog That Looks Like a TurtleDiscover the turtle frog (Myobatrachus gouldii), an Australian burrowing frog with a turtle-like appearance, unique termite-based diet, and remarkable adaptations.Lizards · 12 minMexican Mole Lizard (Ajolote): The Two-Legged BurrowerDiscover the Mexican mole lizard (ajolote), a unique two-legged burrowing reptile from Baja California. Explore its biology, behavior, adaptations, and conservation.Lizards · 14 minJesus Christ Lizard: The Basilisk That Runs on WaterDiscover the Jesus Christ lizard (common basilisk), famous for running on water. Explore its anatomy, habitat, diet, behavior, and conservation status in detail.Frogs · 11 minPaedophryne amauensis: The World's Smallest FrogDiscover Paedophryne amauensis, the world's smallest frog and vertebrate, found in Papua New Guinea. Explore its unique adaptations, habitat, and evolutionary significance.Venomous Reptiles · 16 minRattlesnake: The Iconic Pit ViperEverything about the rattlesnake: size, habitat, the rattle, pit organs, venom, reproduction, conservation, and the strange facts that make Crotalus the most distinctive pit viper genus in the Americas.Chameleons · 21 minChameleons: Science Behind Their Color ChangeDiscover the science behind chameleon color change, ballistic tongue projection, and independent eye movement. Expert-written guide covering 200+ species, nanocrystal skin mechanics, the tiny Brookesia nana, and the myths debunked by modern research.Chameleons · 11 minChameleons and Color Change: The ScienceChameleons change color by rearranging nanocrystals in their skin, not through pigment. Expert guide to the science of chameleon color change and why they do it.Crocodilians · 9 minCrocodile vs Alligator: Key DifferencesCrocodile vs alligator - the real differences in snout shape, bite force, habitat, size, and aggression between the two most famous living reptiles.Crocodilians · 20 minCrocodilians: Evolution and SpeciesExplore the world of crocodilians, from saltwater crocodiles with 3,700 psi bite force to critically endangered gharials. Expert-written guide covering 240 million years of evolution, species profiles, behavior, parenting, and conservation.

Birds

80 articles

Raptors Owls Corvids

Raptors · 6 minKing Vulture: The Colorful Ruler of the Rainforest SkiesMeet the king vulture, the vividly colored scavenger of American rainforests. Learn how it finds food, dominates carcasses, and keeps ecosystems healthy.

Intelligence · 14 minStrange and Bizarre Chicken BreedsExplore the world's strangest chicken breeds, including Silkies, Ayam Cemani, Polish, Frizzle, and more. Discover unique traits, genetics, and care tips for unusual poultry.Intelligence · 13 minHow to Hypnotize a Chicken: Tonic ImmobilityDiscover the science and methods behind hypnotizing chickens, exploring tonic immobility, animal hypnosis, and fear paralysis in birds and other species.Waterbirds · 13 minShoebill (Balaeniceps rex)Discover the shoebill's unique biology, its hunting behavior, and the conservation status of Balaeniceps rex, a prehistoric-looking bird.Hunting · 11 minSecretary Bird: Unique Raptor AdaptationsExplore the secretary bird's biology, unique hunting style, and conservation efforts for Sagittarius serpentarius.Corvids · 12 minClark's Nutcracker: Ecology and MemoryDiscover Clark's nutcracker's impressive seed caching ability and learn about its ecology and remarkable spatial memory.Corvids · 9 minCan Crows Recognize Human Faces? Insights and ResearchCrows really do remember faces - and hold grudges for years. Expert guide to the landmark research proving corvid facial recognition rivals primate cognition.Corvids · 20 minCorvids: The Most Intelligent Birds on EarthDiscover why corvids - crows, ravens, magpies, and jays - are considered the most intelligent birds alive. Expert-written guide covering tool use, facial recognition, mirror self-awareness, planning, and the neuroscience behind corvid cognition.Corvids · 18 minCrows and Ravens: Comparing Their Intelligence to PrimatesExpert analysis of corvid intelligence covering tool manufacture, future planning, facial recognition, causal reasoning, analogical reasoning, and direct comparisons to primate cognitive benchmarks. Based on peer-reviewed research.Flightless Birds · 22 minWhy Some Birds Lost the Ability to FlyExplore the world of flightless birds, from the 45 mph ostrich to the dagger-clawed cassowary and the extinct dodo. Expert-written guide covering ratite evolution, the Great Emu War, kiwi biology, penguin adaptations, kakapo conservation, and the de-extinction debate surrounding elephant birds and m

Marine Life

136 articles

Deep sea Cephalopods Fish

Crustaceans · 6 minMantis Shrimp vs Pistol Shrimp: Two Tiny Ocean PowerhousesCompare the mantis shrimp and pistol shrimp, two small crustaceans with extreme weapons. Learn how each uses cavitation, plus their eyes and partnerships.

Fish · 12 minPainted Frogfish: Nature's Fastest StrikerUncover the facts about giant squids, their size, and why they remain shrouded in mystery and myth.Fish · 11 minArcherfish (Toxotes jaculatrix)The archerfish spits jets of water to knock insects off branches up to 3 metres away. Discover the physics, neuroscience, and ecology of Toxotes jaculatrix.Deep Sea · 9 minBarreleye Fish Vision: Eyes Built for the Mesopelagic ZoneDiscover the painted frogfish's incredible hunting techniques and vibrant color-changing abilities.Coral Reefs · 10 minAnimals That PhotosynthesiseCorals, giant clams, sacoglossan sea slugs and the spotted salamander all convert sunlight into food, none of them unaided.Deep Sea · 12 minViperfish: The Deep-Sea Predator With Fang-Like TeethExplore the fascinating world of the viperfish, a deep-sea predator with fang-like teeth and bioluminescence. Learn about its anatomy, hunting, and ecological role.Fish · 13 minSpotted Handfish: The Fish That Walks on Its FinsDiscover the spotted handfish (Brachionichthys hirsutus), a rare Tasmanian fish that walks on its fins. Explore its unique biology, behavior, conservation, and future.Cephalopods · 16 minBigfin Squid: The Deep-Sea Squid With ElbowsDiscover the mysterious bigfin squid (Magnapinna), the deep-sea cephalopod with elbow-like arms. Explore its anatomy, habitat, behavior, and ongoing scientific mysteries.Deep Sea · 13 minSea Pig: The Deep-Sea Cucumber That WalksDiscover the fascinating sea pig (Scotoplanes), a deep-sea cucumber that 'walks' across the abyssal plain. Explore its anatomy, habitat, role, and unique adaptations.Coral Reefs · 12 minEdwardsiella andrillae: The Antarctic Ice AnemoneDiscover Edwardsiella andrillae, the Antarctic ice anemone that thrives in frozen environments beneath the Ross Ice Shelf. Explore its adaptations, ecology, and significance.

Insects & Arachnids

85 articles

Spiders Beetles Ants

Termites · 6 minHow Termite Mounds Stay Cool: Nature's Master ArchitectsTermite mounds are natural climate-control systems built by tiny insects. Learn how their ventilation keeps colonies cool and protects their fungus gardens.

Spiders · 11 minPeacock Spider: The Colourful DancerDiscover the vibrant courtship dances and unique traits of the peacock spider.Spiders · 5 minGiant Huntsman Spider: The World's Largest Spider by Leg SpanMeet the giant huntsman spider, the largest spider by leg span. Learn about its cave home in Laos, its fast hunting style, and why it is harmless to humans.Spiders · 10 minGoliath Birdeater: The Giant Spider SpeciesExplore the Goliath birdeater's size, habitat, and unique lifestyle in the Amazon rainforest.Beetles · 12 minTitan Beetle (Titanus giganteus)Titan Beetle (Titanus giganteus) is the world's largest beetle by body length, reaching 17 cm. Discover its rainforest habitat, mandible strength, and biology.Beetles · 14 minAnophthalmus hitleri: The Blind Cave Beetle of SloveniaDiscover Anophthalmus hitleri, the blind cave beetle of Slovenia. Learn about its unique adaptations, endangered status, and the conservation challenges it faces.Adaptation · 12 minBocydium globulare: The Ornate Brazilian TreehopperExplore the bizarre world of Bocydium globulare, the Brazilian treehopper. Discover its unique globular appendages, adaptations, life cycle, and ecological role.Spiders · 13 minMirror Spider (Thwaitesia): Nature’s Living JewelDiscover the mirror spider (Thwaitesia): a dazzling orb-weaver with reflective, sequined spots. Learn about its anatomy, habitat, camouflage, and ecological role.Ants · 14 minHoneypot Ants: The Living Larders of the DesertDiscover the fascinating world of honeypot ants, their living larders, unique adaptations, ecological roles, and survival strategies in desert environments.Spiders · 13 minMoroccan Flic-Flac Spider: The Cartwheeling Desert ArachnidDiscover the Moroccan flic-flac spider (Cebrennus rechenbergi), a unique desert arachnid famed for its cartwheeling escape. Explore its biology, habitat, and remarkable adaptations.

Extinct

63 articles

Megafauna Dinosaurs Ice Age

Dinosaurs · 13 minChilesaurus diegosuarezi: The Platypus of DinosaursDiscover Chilesaurus diegosuarezi, the platypus of dinosaurs. Explore its unique anatomy, herbivorous diet, evolutionary significance, and impact on dinosaur classification.

Dinosaurs · 22 minDinosaurs: Rulers of the Earth for 165 Million YearsExpert-written guide to dinosaurs covering T. rex, Argentinosaurus, Velociraptor, Spinosaurus, and more. Explore the Mesozoic era, the dinosaur-bird connection, warm-blooded debate, and the K-Pg extinction event that ended their reign.Dinosaurs · 12 minT-Rex: Its Size and the Science Behind ItHow big was Tyrannosaurus rex really? Science-based answers on size, weight, bite force, speed, and what recent fossil discoveries reveal about the king of dinosaurs.Evolution · 21 minEvolution and AdaptationExplore how evolution shapes life on Earth through natural selection, sexual selection, convergent evolution, co-evolution, and adaptive radiation. Covers Darwin, living fossils, punctuated equilibrium, and evolution observed in real time.Fossils · 19 minFossils: Preserving Ancient Life StoriesDiscover how fossils preserve the story of ancient life, from amber-trapped insects to transitional species. Learn about fossilization, dating methods, Mary Anning, and digital paleontology.Ice Age · 18 minIce Age Megafauna: Creatures of a Frozen EraExplore the colossal creatures of the Pleistocene Ice Age - woolly mammoths, saber-toothed cats, giant ground sloths, dire wolves, and more. Expert-written guide covering adaptations, discoveries, extinction theories, and de-extinction science.Ice Age · 12 minSaber-Tooth Cat: The True Hunting Strategies of SmilodonSaber-tooth cats were not tigers. Expert guide to Smilodon's real hunting method, why the fangs evolved, and how this Ice Age apex predator actually lived.Mass Extinctions · 20 minThe Five Times Earth Nearly DiedExpert-written guide to the Big Five mass extinctions, from the Ordovician ice age to the Chicxulub asteroid. Covers causes, recovery timelines, survivor traits, and the current Sixth Extinction debate with specific data and peer-reviewed sources.Megafauna · 8 minDire Wolf: The Ice Age Predator That Wasn't Actually a WolfDire wolves weren't closely related to modern wolves despite their name. Expert guide to these Ice Age pack hunters and their surprising evolutionary history.Megafauna · 9 minGiant Ground Sloth: The 4-Ton Sloth That Walked the AmericasGiant ground sloths reached 4 tons and 6 meters. Expert guide to these massive extinct sloths that lived with early humans until 10,000 years ago.

Pets

193 articles

Dog breeds Cat breeds Feeding

Dog Breeds · 5 minNorwegian Lundehund: The Six-Toed Dog Built to Climb CliffsDiscover the Norwegian Lundehund, a rare puffin-hunting dog with six toes and amazing flexibility. Learn about its anatomy, temperament, and care needs.

Cat Breeds · 6 minChausie Cat: The Athletic Hybrid With a Wild HeritageMeet the Chausie, an athletic hybrid cat descended from the jungle cat. Learn about its wild look, affectionate personality, care needs, and temperament.Health and Care · 15 minJanus Cats: The Truth About Two-Faced KittensDiscover the science, history, and care of Janus cats, two-faced kittens with diprosopus. Explore genetics, health challenges, ethics, and famous cases.Health and Care · 13 minCyclopia in Animals: The One-Eyed KittenDiscover the science behind cyclopia in animals, the causes of one-eyed kittens, and why this rare birth defect occurs. Learn about genetics, risks, and animal welfare.Health and Care · 11 minPet Exercise and Enrichment: Keeping Pets ActiveExercise is a physical necessity for dogs and cats, not an optional enrichment activity. Insufficient physical activity is a documented cause of obesity, behavioural problems, anxiety, destructive behaviour, and reduced lifespan. Equally important, and more often overlooked, is cognitive enrichmen Health and Care · 9 minMicrochipping Pets: Benefits and How It WorksMicrochipping is the most reliable permanent identification method available for dogs and cats. Unlike collars, which break or fall off, and tattoos, which fade and become illegible, a microchip is a passive radio-frequency identification (RFID) device that lasts the lifetime of the animal and can b Health and Care · 14 minSpaying or Neutering Your Pet: What to ExpectSpaying and neutering are the most commonly performed elective surgical procedures in veterinary medicine. In the United States alone, approximately 4 million dogs and cats are spayed or neutered each year. The procedures, ovariohysterectomy (spay) for females and orchiectomy (neuter) for males, i Health and Care · 10 minTrimming Dog Nails Safely: Techniques and TipsNail trimming is among the most commonly avoided dog care tasks. Surveys of dog owners consistently show that nail trimming is rated more stressful than bathing, ear cleaning, and many other grooming tasks, for both the owner and the dog. Yet overgrown nails cause real physical problems: altered gai Health and Care · 10 minKeeping Your Cat Indoors: Safety and Enrichment TipsThe indoor vs. outdoor cat debate is not evenly balanced by evidence. Outdoor cats face mortality rates dramatically higher than indoor cats. A widely cited 2013 study in Nature Communications by Loss et al. estimated that free-roaming cats kill between 1.3 and 4 billion birds annually in the United Health and Care · 14 minGrooming Your Dog at Home: TechniquesProfessional grooming is a significant recurring cost for dog owners, average costs range from $30 for a small breed bath and brush to over $100 for a large breed full groom, repeated every 6-12 weeks. Beyond cost, many dogs experience stress at grooming facilities, particularly if they have not be

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Reptiles · 9 min Green AnacondaVSReticulated Python

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Reptiles · 10 min

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FASTEST240 mphPeregrine falconIn a hunting dive LARGEST100 ftBlue whaleUp to 200 tons DEADLIEST725K/yrMosquitoHuman deaths a year OLDEST500+ yrsOcean quahogLongest-living animal SMALLEST1.2 inBumblebee batSmallest mammal

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49,000+ species are threatened with extinction.

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Saiga AntelopeCritically endangered steppe species with a trunk-like noseCR Sunda PangolinThe most trafficked mammal on EarthCR Pygmy Three-Toed SlothFound on a single small island off PanamaCR Polar BearSea ice has shrunk 40% since 1979VU