Page:The peregrine falcon at the eyrie (IA cu31924084757206).pdf/97

 INDEX.

Ages, young peregrines at different— see Peregrine Alarm cry, 7 Aristocracy of the bird world, 2

Cry— Alarm, 7 Feeding yapp, 10, 25, 28 Food cry, 14

Down of young when newly hatched, 7 when eight days old, 34 Structure of, 57

Earl's hiding tent, 3 Egg collectors, 1, 44, 68 Egg collector's camera, 5 Egg of peregrine— Number in clutch, 4, 5 Possible sexual difference, 7, 65 Protected with pencil, 1 When laid, 7 Erecting the shed, 7

Falcon and suffragette, 2 attacked by greater black back, 38 bath, 39 brooding, 8 Comparative size, 2, 64 Conversation with tiercel, 13 Food cry, 26 on guard at night, 50 Quarrel with tiercel, 46 Timidity of, 8, 12 transferring quarry to tiercel, 26, 27 Famine, 42, 46 Flies in the eyrie, 4, 24, 28 Flight of gull, 38 peregrine, 1, 7, 38

Greater black-backed gull— Attack on falcon, 38

Speed of flight, 38 Great grey shrike, 66 Gyr falcon, 68

Hen’s eggs for peregrine’s, 5 Hiding-shed, 5, 7, 8, 23 Hoodie as barrister, 2

Incubation period, 7 Ladies’ veils as blinds, 8 Method of protecting eggs, 1

Peregrine— Adult— Alarm cry, 7 An aristocrat, 2 Castings, 57 Dominance of female, 2, 63 Female—see Falcon Flight, 1, 7 Food cry, 14 General appearance, 1, 20, 64 Head movements, 10 Language, 66 Male—see Tiercel Perverted voles, 2, 23, 63 Size, 1, 2 Special senses, 65, 66 Eggs— Date when laid, 7 Incubation period, 7 Number in clutch, 4, 5, 7 Sexual difference, 7, 65 Young—- At different ages— Two days, 7 Four days, 8, 10 Five days, 20 Seven days, 24 Eight days, 26, 28 Nine days, 34