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Title
1

Dropping Things

2

Learning by Birds

3

Can Birds Count?

4

Courtship Feeding

5

They Turned the Tables

6

Survival of the Unfit

7

Dust and Snow Bathing

8

Decoration in the Home

9

Curiosity in Birds

10

Conditioning in Birds

11

Poisonous Birds

12

Kingfishers on the Telephone

13

On Identifying Sea Serpents

14

Conservation over the Telephone

15

Birds Washing Food

16

How Animal Voices Sound to Foreign Ears

17

Sight Identification

18

Green Hunting Jays Turn Blue

19

How Birds Use Cows as Hunting Dogs

20

Early Bird Listing

21

Battle of the Sexes and Its Evolutionary Significance

22

Water in the Desert

23

Bird Graveyards

24

Animal Gardens

25

Bird Apartment Houses

26

Bird Helpers at Nesting Time

27

A Name for a Boat

28

Weavers and Tailors in the Bird World

29

Social Parasites among Birds

30

Fish Eats Bird!

31

Crows Are Smarter Than "Wise" Owls

32

Tame Wild Birds

33

Birds as Pilferers

34

Hibernation in Birds

35

Snakeskins in Birds' Nests

36

Co-operation by Birds

37

Watchdogs at the Nest

38

Bird Guides to Honey

39

Oxpeckers

40

Wings in Feeding

41

Instrumental Music of Birds

42

How Birds Anoint Their Feathers

43

Traveling Birds' Nests

44

Maladaptation in Birds

45

Feathered Baby Sitters and Co-op Nursery Nests

46

Birds' Nests and Their Soup

47

Walled Wives of Hornbills

48

Buried Eggs and Young

49

The Snowy Owl as a Trade Index

50

Monkey Birds

51

Bird-Made Incubators

52

Cormorant Fishing

53

The Shrike's Larder

54

Bird Flavors

55

How Many Feathers Has a Bird?

56

Last Year's Birds' Nests

57

Symbiosis—Animals Living in Mixed Households

58

Introduction

59

Birds Using Tools

60

Birds as Brigands

61

Birds Bathing