[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-567788-105":59,"doc-detail-567788-en":129},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":122,"head_meta":124,"extra_data":126,"updated_unix":128},105,"en","usborne-pocket-science-internet-linked-how-does-a-bird-fly","USBORNE POCKET SCIENCE - Internet-linked - How does a Bird Fly?","","USBORNE POCKET SCIENCE uses an accessible question-and-answer style to explain bird evolution and everyday biology, from early flier examples like pterosaurs and Archaeopteryx to the variety of modern birds. It details how bird bodies are built for flight, including streamlined shapes, hollow bones, flexible necks, feathers made of keratin, and key functions such as insulation, steering, and balance. 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 \nKate Woodward  \nDesigned by Mary Forsterllustrated by Isabel Bowring  \nRevised by Philippa WingateCover design by Russell PunterCover illustration by Christyan Fox  \nWith thanks to Katarina Dragoslavic  \nConsultant:Robin Horner (Warden,RSPB)  \nCONTENTS  \n16 Migration18 Night owls  \n2 Early fliers4 A bird's body6 Feathers8 Built to fly  \n20 Birds that can't fly22 Amazing flyers23 Internet links24 Index  \n10 Different ways to fly12 Flying with the wind14 Going up and coming down  \n# Early fliers\n\nPterosaurs hadSome of the creatures that livedPterosaurwings made ofon Earth over 200 million yearsleathery skin,notago,at the same time as thefeathers.For thisdinosaurs,could fly.They werereason,scientists docalled pterosaurs.not count them as birds.Some pterosaurs had wingsabout 7m(almost 26ft)across.That's nearly as long as a bus.Pterosaurs had  \nNone of the dinosaursjaws like beaks.  \ncould fly.CompsognaihusThe first animal thatscientists call a bird isthe Archaeopteryx.It livedabout 140 million years ago.They think it developed from  \n# The first bird\n\ndinosaurs that could not fly,Archaeopteryxnot from the pterosaurs.  \nt was about the size of a crow andhad feathers on its body and wings.2  \n# Odd bird\n\nAll kinds of birds  \nThis Hoatzin chick isThere are more than 8,650 kindssimilar to the earliestof birds in the world today andknown birds.they are all very different.TheyIt haslive in places as cold as the NorthunusualPole and as hot as the tropicalclaws on itsrainforests around the Equator.wings,like anArchaeopteryx(see  \nbelow).It lives in theOstriches live on theforests of Southgrasslands in Africa.They cannot fly,butAmerica today.The claws dropcan run very fast.off the adult bird.  \nFossil birdBudgerigars are popularpets.Wild budgies liveScientists have found thein large groups,orremains,or fossils,offlocks,in Australia.Archaeopteryxes buried  \nGeese live nearwater.Their youngare called goslings.Some penguinslive in the Antarcticnear the SouthPole.They arevery goodswimmers,but cannot fly.  \n# A bird's body\n\nFeathers  \nEggs in a nest  \nWings  \nTo help birds to fly,their bodies areBirds have wings instead of arms.very streamlined.This means theyThey are strong and light enough toare a smooth shape so they ","cbCaiaRUkPZ1sAeA","https://ap.wps.com/l/cbCaiaRUkPZ1sAeA","pdf",3476760,28,"English","# How does a BirdFly?\n## Internet links\n## Downloadable pictures\n## Internet safety\n## Early fliers\n## The first bird\n## Odd bird\n## A bird's body\n## Feathers\n## Inside a bird\n## Feathers","[{\"question\":\"What is an early flier, and which creatures are mentioned?\",\"answer\":\"The book describes early fliers by discussing pterosaurs from about 200 million years ago and how some could not be counted as birds. It also introduces Archaeopteryx as the first animal scientists call a bird.\"},{\"question\":\"How do feathers help birds fly, stay warm, and stay balanced?\",\"answer\":\"Feathers keep birds warm, help stop their bodies from getting wet, and assist flight. Wing feathers are the most important for flying, down feathers insulate, and tail feathers help birds steer and balance.\"},{\"question\":\"What internet safety rules does the book recommend for children?\",\"answer\":\"Children should ask a parent or guardian’s permission before connecting, avoid sharing personal information in messages, get adult permission before logging in with name or email, tell an adult if they receive emails from strangers, and never arrange to meet anyone they met online.\"}]","USBORNE POCKET SCIENCE - Internet-linked - How does a Bird Fly? | PDF",71]