LEADER 04273nam 2200529 450 001 9910460948903321 005 20170918174341.0 010 $a1-4729-3224-2 035 $a(CKB)3710000000515194 035 $a(EBL)4338827 035 $a(MiAaPQ)EBC4338827 035 $a(EXLCZ)993710000000515194 100 $a20160218h20122012 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $2rdacontent 182 $2rdamedia 183 $2rdacarrier 200 10$aRSPB birds $etheir hidden world /$fPeter Holden ; illustrations by Marc Dando 210 1$aLondon, [England] :$cBloomsbury,$d2012. 210 4$dİ2012 215 $a1 online resource (258 p.) 225 1 $aRSPB 300 $aIncludes index. 311 $a1-4081-5262-2 327 $aCover; Half-title; Title; Copyright; Contents; Introduction; The power of birds; Birds and qualit y of life; Birds and the arts; Rich in folk history; Birds for food and sport; A hidden world; All about eggs; What is an egg?; Size; Number; Shape; Colour and patterns; Eggs as food; Eggs in research; Feathering the nest; What is a nest ?; The shape of a nest; Where to nest ?; Building materials; How to make a nest; Nesting associations; Adapting to human neighbours; Defending a territory; What is a territory?; Defend ing a territory; Filling the gaps; Mapping territories; Breeding behaviour 327 $aWhen to breedCourtship displays; Mating systems; Brood parasites; Infanticide; Synchronised hatching; Brood size; Who incubates?; Altricial or precocial?; Nest management; Division of labour; Communal nesting; What is a colony?; The benefits of colonial living; Is it a colony?; Whose baby?; The structure of a colony; Fragile colonies; Flocking; What is a flock?; Why flock?; Synchronised flying - how do they do it ?; Traditional flocking areas; Collective names; Songs and calls; What is song?; The purpose of song; All the world's a stage; Verse and chorus; A season for song?; Night music 327 $aSong whatever the weatherMechanical sounds; Mimicry; Female song; Sub-song; Communication calls; The study of birdsong; How birds learn to sing; Singing cage birds; Writing down and recording birdsong; The juvenile years; Trials of life; Leaving the nest; Survival and longevity; Average or meanage; Survival factors; Discovering old birds; Age of first breeding; Population regulation; Population regulation; Man-made hazards; The future; Migration; Incredible journeys; What is migration?; Why migrate?; Studying migrants; Direction; Timing; Loop migration; How far to fly; How high to fly 327 $aDay or night?Flyways across the world; How do birds navigate?; Fuel for the journey; No wings?; Vagrancy; Is it all worth it ?; Feeding; Dietary niches; Finding food; When to feed?; What to eat; Techniques for feeding; Tools for the job; Energy requirements; Learning new tricks; Roosting; What is a roost ?; When to roost ?; Sleep; Where to roost; Who get the best roosts?; Communal roosts; Birds and weather; Weather factors; Weather for migration; Plumage and moult; Beautiful plumage; The value of feathers; What is a feather?; Changing feathers; Preening; Drying; A little powder; Scratching 327 $aBathingFeather care; Preening; Drying; A little powder; Scratching; Bathing; Flight; Types of flight; How fast can birds fly?; Weight restrictions?; Formation flying; How do they do it?; Largest flying birds; Expert and agile; Starting young; Flying under wat er; Flightlessness; Vision and other senses; Eyes; Good hearing; How do they smell?; Acknowledgements; Index; Image credits 330 $aThis lively and attractive new book aims to give readers a broad understanding of 'how birds work' from their physical make-up to courtship and breeding, social activity and their spread and travels. 410 0$aRSPB 606 $aBirds$xEcology$zEurope 606 $aBirds$xEcology$zGreat Britain 608 $aElectronic books. 615 0$aBirds$xEcology 615 0$aBirds$xEcology 676 $a598.294 700 $aHolden$b Peter$0865157 702 $aDando$b Marc 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910460948903321 996 $aRSPB birds$91931073 997 $aUNINA