Table of Contents
Acknowledgements
Introduction
What Makes an Owl?
Vision
Hearing
Significance of ear-tufts
Silent flight
Bill and claws
The Nature of Owls
Shape and size
Calls
Colour variation and ageing
Abnormalities in owl plumage
Moult
Food and hunting
Habitat
Behaviour
Intraguild aggression
Breeding strategies
Longevity records
Movements
Evolution of Owls
Distribution and Biogeography
Taxonomy and DNA-sequencing
Owls and Humans
Conservation
Extinct Owls
'Owlaholics'
Owl Associations and Global Research Organisations
Owls on the internet
Species Accounts
Photographs
Distribution maps
References
Topography of a typical owl
Abbreviations
Glossary
The Species Accounts
TYTONIDAE: BARN, GRASS AND BAY OWLS
1. BARN OWL (Tyto alba)
2. AMERICAN BARN OWL (Tyto furcata)
3. CURACAO BARN OWL (Tyto bargei)
4. LESSER ANTILLES BARN OWL (Tyto insularis)
5. GALAPAGOS BARN OWL (Tyto punctatissima)
6. CAPE VERDE BARN OWL (Tyto detorta)
7. SAO TOME BARN OWL (Tyto thomensis)
8. AUSTRALIAN BARN OWL (Tyto delicatula)
9. BOANG BARN OWL (Tyto crassirostris)
10. ANDAMAN BARN OWL (Tyto deroepstorffi)
11. ASHY-FACED OWL (Tyto glaucops)
12. MADAGASCAR RED OWL (Tyto soumagnei)
13. GOLDEN MASKED OWL (Tyto aurantia)
14. TALIABU MASKED OWL (Tyto nigrobrunnea)
15. EASTERN GRASS OWL (Tyto longimembris)
16. AFRICAN GRASS OWL (Tyto capensis)
17. LESSER MASKED OWL (Tyto sororcula)
18. AUSTRALIAN MASKED OWL (Tyto novaehollandiae)
19. MANUS MASKED OWL (Tyto manusi)
20. SULAWES I MASKED OWL (Tyto rosenbergii)
21. TASMANIAN MASKED OWL (Tyto castanops)
22. SULAWESI GOLDEN OWL (Tyto inexspectata)
23. LESSER SOOTY OWL (Tyto multipunctata)
24. GREATER SOOTY OWL (Tyto tenebricosa)
25. ITOMBWE OWL (Tyto prigoginei)
26. ORIENTAL BAY OWL (Phodilus badius)
27. SRI LANKA BAY OWL (Phodilus assimilis)
STRIGIDAE: TRUE OWLS
28. COMMON SCOPS OWL (Otus scops)
29. PALLID SCOPS OWL (Otus brucei)
30. ARABIAN SCOPS OWL (Otus pamelae)
31. AFRICAN SCOPS OWL (Otus senegalensis)
32. SOCOTRA SCOPS OWL (Otus socotranus)
33. CINNAMON SCOPS OWL (Otus icterorhynchus)
34. SOKOKE SCOPS OWL (Otus ireneae)
35. PEMBA SCOPS OWL (Otus pembaensis)
36. SAO TOME SCOPS OWL (Otus hartlaubi)
37. SEYCHELLES SCOPS OWL (Otus insularis)
38. MAYOTTE SCOPS OWL (Otus mayottensis)
39. GRANDE COMORE SCOPS OWL (Otus pauliani)
40. ANJOUAN SCOPS OWL (Otus capnodes)
41. MOHELI SCOPS OWL (Otus moheliensis)
42. MADAGASCAR SCOPS OWL (Otus rutilus)
43. TOROTOROK A SCOPS OWL (Otus madagascariensis)
44. MOUNTAIN SCOPS OWL (Otus spilocephalus)
45. INDIAN SCOPS OWL (Otus bakkamoena)
46. ORIENTAL SCOPS OWL (Otus sunia)
47. COLLARED SCOPS OWL (Otus lettia)
48. JAPANESE SCOPS OWL (Otus semitorques)
49. ELEGANT SCOPS OWL (Otus elegans)
50. SUNDA SCOPS OWL (Otus lempiji)
51. NICOBAR SCOPS OWL (Otus alius)
52. SIMEULUE SCOPS OWL (Otus umbra)
53. ENGGANO SCOPS OWL (Otus enganensis)
54. MENTAWAI SCOPS OWL (Otus mentawi)
55. RAJAH SCOPS OWL (Otus brookii)
56. SINGAPORE SCOPS OWL (Otus cnephaeus)
57. LUZON LOWLAND SCOPS OWL (Otus megalotis)
58. MINDANAO LOWLAND SCOPS OWL (Otus everetti)
59. VISAYAN LOWLAND SCOPS OWL (Otus nigrorum)
60. GIANT SCOPS OWL (Otus gurneyi)
61. PALAWAN SCOPS OWL (Otus fuliginosus)
62. WHITE-FRONTED SCOPS OWL (Otus sagittatus)
63. REDDISH SCOPS OWL (Otus rufescens)
64. SERENDIB SCOPS OWL (Otus thilohoffmanni)
65. ANDAMAN SCOPS OWL (Otus balli)
66. JAVAN SCOPS OWL (Otus angelinae)
67. WALLACE'S SCOPS OWL (Otus silvicola)
68. FLORES SCOPS OWL (Otus alfredi)
69. MINDANAO SCOPS OWL (Otus mirus)
70. LUZON SCOPS OWL (Otus longicornis)
71. MINDORO SCOPS OWL (Otus mindorensis)
72. RINJANI SCOPS OWL (Otus jolandae)
73. MOLUCCAN SCOPS OWL (Otus magicus)
74. WETAR SCOPS OWL (Otus tempestatis)
75. SULA SCOPS OWL (Otus sulaensis)
76. BIAK SCOPS OWL (Otus beccarii)
77. SULAWESI SCOPS OWL (Otus manadensis)
78. KALIDUPA SCOPS OWL (Otus kalidupae)
79. BANGGAI SCOPS OWL (Otus mendeni)
80. Siau SCOPS OWL (Otus siaoensis)
81. SANGIHE SCOPS OWL (Otus collari)
82. MANTANANI SCOPS OWL (Otus mantananensis)
83. FLAMMULATED OWL (Psiloscops flammeolus)
84. WESTERN SCREECH OWL (Megascops kennicottii)
85. EASTERN SCREECH OWL (Megascops asio)
86. PACIFIC SCREECH OWL (Megascops cooperi)
87. OAXACA SCREECH OWL (Megascops lambi)
88. WHISKERED SCREECH OWL (Megascops trichopsis)
89. BEARDED SCREECH OWL (Megascops barbarus)
90. BALSAS SCREECH OWL (Megascops seductus)
91. BARE-SHANKED SCREECH OWL (Megascops clarkii)
92. TROPICAL SCREECH OWL (Megascops choliba)
93. MARIA KOEPC'S SCREECH OWL (Megascops koepckeae)
94. PERUVIAN SCREECH OWL (Megascops roboratus)
95. TUMBES SCREECH OWL (Megascops pacificus)
96. MONTANE FOREST SCREECH OWL (Megascops hoyi)
97. RUFESCENT SCREECH OWL (Megascops ingens)
98. SANTA MARTA SCREECH OWL (Megascops 'gilesi')
99. COLOMBIAN SCREECH OWL (Megascops colombianus)
100. CINNAMON SCREECH OWL (Megascops petersoni)
101. CLOUD-FOREST SCREECH OWL (Megascops marshalli)
102. NORTHERN TAWNY-BELLIED SCREECH OWL (Megascops watsonii)
103. SOUTHERN TAWNY-BELLIED SCREECH OWL (Megascops usta)
104. BLACK-CAPPED SCREECH OWL (Megascops atricapilla)
105. SANTA CATARINA SCREECH OWL (Megascops sanctaecatarinae)
106. VERMICULATED SCREECH OWL (Megascops vermiculatus)
107. CHOCI SCREECH OWL (Megascops centralis)
108. RORAIMA SCREECH OWL (Megascops roraimae)
109. GUATEMALAN SCREECH OWL (Megascops guatemalae)
110. PUERTO RICAN SCREECH OWL (Megascops nudipes)
111. RIO NAPO SCREECH OWL (Megascops napensis)
112. WHITE-THROATED SCREECH OWL (Megascops albogularis)
113. PALAU OWL (Pyrroglaux podarginus)
114. CUBAN BARE-LEGGED OWL (Gymnoglaux lawrencii)
115. NORTHERN WHITE-FACED OWL (Ptilopsis leucotis)
116. SOUTHERN WHITE-FACED OWL (Ptilopsis granti)
117. SNOWY OWL (Nyctea scandiaca)
118. GREAT HORNED OWL (Bubo virginianus)
119. MAGELLANIC HORNED OWL (Bubo magellanicus)
120. EURASIAN EAGLE OWL (Bubo bubo)
121. PHARAOH EAGLE OWL (Bubo ascalaphus)
122. ROCK EAGLE OWL (Bubo bengalensis)
123. CAPE EAGLE OWL (Bubo capensis)
124. AKUN EAGLE OWL (Bubo leucostictus)
125. SPOTTED EAGLE OWL (Bubo AFRICANus)
126. GREYISH EAGLE OWL (Bubo cinerascens)
127. FRASER'S EAGLE OWL (Bubo poensis)
128. USAMBARA EAGLE OWL (Bubo vosseleri)
129. MILKY EAGLE OWL