DK - Animal Knowledge Genius!: A Quiz Encyclopedia to Boost Your Brain

DK Delhi Senior Editor Rupa Rao Senior Art Editor Vikas Ch auhan Editorial T ea m Nandini T ri pathy, Janas hree Singha, Hina Jain Art Editors Ta nisha Mandal, Noopur Dalal, Amisha Gupta, Devika Awasthi Jacket Designer Juhi Sheth Senior DTP Designer Vishal Bhatia DTP Designers Vijay K andwal, Rakesh K umar Proje ct Pictur e Researc her Deepak Negi Managing Jacke ts Editor Saloni Singh Pre-P rodu ction Manager Balwant Singh Produ ction Manager Pa nkaj Sharma Picture Research Ma nager Ta iyaba Khatoon Managing Editor Soma B. Chow dhury Managing Art Edit or Govind Mittal Editorial Head Glenda Fe rnandes Design Head Malavika T a lukder DK London Senior Editor Ashwin Khurana Senior Designer Rachael Grady US Editor Megan Douglass US Executive Editor Lori Ca tes Hand Jacket Designer Akiko K ato Jacket Design Development Manager Sophia MTT Produ ction Editor Kavita V arm a Produ ction Contro ller Sian Cheung Managing Editor Fran cesca Baines Managing Art Edit or Philip Letsu Publ isher Andrew M acintyre Associate P ubl ishing Director Liz Wheeler Art Directo r Karen Sel f Publ ishing Director Jonathan Metcalf First A merican Edition, 2021 Pub lished in the United States by DK Pu blishing 1450 Broadway , Su ite 801, New Y or k, NY 10018 Copyright 2021 Dorling Kindersley Limited DK, a Div ision of P en guin Random House LLC 21 22 23 24 25 10 9 8 7 6 5 4 3 2 1 001319141Sept/2021 All rights reserved. Without limiting the rights under the copyright reserved above, no part of thi s publication may be re produced, stor ed in or intr oduced into a retrieval system, or t ransmitted, in a ny form, or by any means (electronic, mecha nical, photocopying, record ing, o r otherwise), without the prior written permission of the copyright owner . Pub lished in Grea t Britain by Dorling Kindersley Limited A catalog r ecord for this book is available from the Libr ary of Co ngress. ISBN 978-0-7440-3959-7 DK books are available at special discounts when purc hased in bulk for sales promotions, pre miums, fund-raising, or e ducational use. For details, contact: DK P ub lishing Special Markets, 1450 Broadway , Suite 801, New Y or k, NY 10018 SpecialSales@dk.com Prin ted and bound in China For t he cur io us www.dk.com This book was made with F ore st Stewardship Council certied paperone small step in DKs commitment to a sustainable future. For more informat ion go to www.dk .com/our-gr een-pledge

Written by: Stevie Derrick and Lizzie Munsey Consultant: John Wo odward

THE ANIMAL WO RLD FISH AMPHIBIANS INVER TEB RA TES What is an animal? Bare bones Under threat Conservation Fish Sharks and rays Bony sh Reef ro vers Fish bodies and ns Amphibians Frogs and toads Salamanders and newts New life Invertebrat es Corals and jellies Wiggly worms Mollusks Seashells Mollusks on the move Stars and spines Armored animals Arachnids Insects Beetle mania Butteries and moths Insect life cycles Winged wonders A bug s life Hide and seek

REPTILES BIRDS MAMMALS Reptiles Tu rtles and tortoises Lots of lizards Ssssnakes Scaly stories Make it snappy Birds Grounded! Game birds Par rot parade Flight Tou cans and woodpeckers Night owls Birds of prey Whose beak? Ducks and geese Water birds Clever claws Coastal bird s Per ching bird s Pret ty plumage Nests and eggs Mammals Marsupials Insect eaters and sloths Too thy rodents Te lling tails Monkey business Ape antics Tre e dwellers Classy coats Night life Canine cre w Brilliant bats Bear facts Wild cats Furr y hunters Bite size Horsing around Who left that? Hoofed herds Pig tales Hooves and humps Ocean mammals Fin-footed fun Whales and dolphins Index Acknowledgments

Welco me to this fact-packed, quiz- lled challenge. To p up with some new knowledge and then put your brain to the test by matching the picture clues with the answers. Can you tell a cora l from a jellysh? Do you know which beak belongs to which bird? C an you identify your lizards? It is time to nd out! There are seven chapters all about animalstheir similarities, differe nces, and lives on Earthand lots of quizzes. Pe rhaps start with one that you know all about, and then move on to something new. Facts first First r ead up o n the main gr oups that make up th e ani mal kingd om: inv ert ebr ates , sh, amp hibia ns, repti les, b irds, and mamma ls. Fille d with essent ial inf orm ati on, t hese pages will wa rm up yo ur br ain f or t he q uiz zes. Next th e challenge Then its time to te st y our self. Tak e a loo k a t the pictur es and t he l ist o f an swers in the panel on th e si de a nd t ry to match them up. F ollow thes e four ste ps fo r the best w ay to t ackle things. No peeking You ll nd the answers matched with the n umbers of the corre ct pictures at the bottom of the page. on se Males become more colorful during the breeding season. This larg e animal is a common sight in trees acro ss South America. It uses its sharp teeth to feast on fruit and leaves. F olds of skin on the neck help regulat e body temperature . T he long tail makes up two-thir ds of its body lengt h. Lots of lizar ds For ming the biggest group of reptiles, with more than 5,500 species, liza rds come in all shapes and sizesfrom tiny geck os to the 10-ft- (3-m-) long K omodo dragon. These scaly, cold-blooded animals are found on every continent except A ntarctica. When thre atened, this creature puffs up its body to make itself look bigger , w hile also sticking out its tongue and hissing. Fam ous for its ability to change color, thi s technicolor lizard lives high up in thick Madagascan forest tre es . Its eyes can rotat e independently of each other . Sharp claws help it cling to slippery, seawe ed- covered ro cks. The tail helps grip when climbing. Sticky pads under its toes cling to smooth surfaces. Black stripe across the eye Sharp spikes Marine iguana 3. Tu rquoise dwarf ge cko 4. Blue-tongued skink 5. Green iguana Madagascar day gecko 10. Thor ny devil 11. Green anole 12. Fr illed lizard 66 How to swim like a fro g AMPHIBIANS Amphibian s This gro up of animals can al l breathe through their skin, whic h has to be kept moist at all times to absorb oxygen. As a result most amphibians live their whole lives in damp places. Some may also use organs called gills to br eathe unde rwater, whil e others can develop lungs, which let them brea the air on land. Croaking Male fr ogs a nd t oad s cro ak to att ract fem ales, and the lou der they croa k the mor e li kel y they are to succ eed i n nding a mat e. Each specie s of f rog and toad has i ts o wn uniqu e cr oak. Tiny p onds Some frogs carry their tadpoles on their backs to rele ase them into pools of wat er collected in plants high in rainfore st trees. I dont be lieve it The tadpole of the South American para doxical frog is three times the size of the adult frog. It can be up to 10 in (25 cm) long, shrinking as it gets older . 6 f t (1.8 m ) in (18mm) diameter Deadly defenses F ound only in Col ombia, the g olden poison- dart frog is one of t he m ost tox ic animals on Earth. It s tore s it s poison i n it s skin. The ti ny phan tas mal pois on frog only gro ws u p t o 1 in (4 cm ) in le ngth, bu t s till c arrie s enoug h poison to kill a hu man. J ust t ouch ing the skin of the r ed-h eaded poison frog (below ) wo uld be eno ugh t o m ake you viol ent ly ill. Types o f amph ibians Frogs and toads This is the biggest amphibian gr oup. These cre atures hav e long, strong back legs and shorter fro nt legs. Newts and salamanders These amphibians have lizar d- lik e bodies, with long tails and four even-size limbs. Caecilians W ormlik e and limbless, these amphibians are ra rely seen. They live undergro und or underwater . The number of days a male Darwins frog ke eps tadpoles in his vocal sac after hatching. He then coughs up tiny frogs. mph (24 k m/h) Th e maximum speed of the Andea n salamander, the worlds fastest amphibian. lb (3 k g) Th e weight of a s ingle adult goliath fro g. In numbers Biggest a nd smal lest The b iggest of al l amp hibia ns is the co loss al Chine se gian t salaman der. It li ves in str eams and r ive rs in ce nt ral Chin a. The t inies t amp hibi an is a fr og, Paedoph ryne am auensi s , fro m Papua N ew G uinea. Show n her e on a US dime , it is in (7 mm ) lo ng. Voca l sac inates during croaking. Webbed toes help the frog push through the water . 6 f t (1.8 m ) Salamand er lif e cyc le Over its life , a salama nder s body und ergo es signic ant chang es. I t sta rts as an egg . Th e egg ha tch es i nt o a larva in 1950 da ys , wh ich slowly dev elop s gills, ev ent ually beco ming an adu lt i n 25 mo nth s. Adult Larva with gill buds Egg Larva with two limbs Larva with four limbs Gills are organs used to take in oxygen from the wat er. Use your front legs and feet to make small movements, steering and controlling the direction of your body. Stretch out as far as possible, then pull your front legs down to your sides. Kick hard with your powerful hind legs and use your webbed feet to push forward. Suckers on the toes help the frog grip when on land. F r o g s c a n n o t s u r v i v e i n s a l t w a t e r .