The Sensory Ecology of Birds
Birds are renowned for their exceptional vision and the way that this enables them to survive and navigate the world in such a unique way. However, it is now recognised that avian behaviour is guided by information drawn from many different senses which are then used in integrated and complementary ways to answer the many different sensory challenges posed by specific environments and particular tasks. Understanding how sensory information is used by birds has important applications in conservation, such as providing vital insights into why birds are prone to collisions with structures like power lines and wind turbines, and why so many diving birds become entrapped in nets. A sensory ecology approach suggests how these problems can be mitigated. The Sensory Ecology of Birds ranges widely across species, environments, and behaviours to present a synthesis that challenges previous assumptions about the information that controls the behaviour of birds. A bird may use a wide range and combination of sensory information that comes from sight, hearing, smell, mechanoreception, taste, and magnetoreception. It may also include specific refinements of senses, such as echolocation and remote touch from the bill. The book recognises that there are many complex and subtle trade-offs and complementarities of information between different types of sensory information. This accessible text will be of interest to a wide ornithological readership, from undergraduates to researchers as well as a broader audience of behavioural ecologists and evolutionary biologists.
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3 Hearing and Olfaction
4 Touch Taste and Magnetoreception
5 From Senses to Sensory Ecology
Complementary and Partial Information
A Paucity of Information
8 What Drives Bird Senses?
9 The Sensory Ecology of Collisions and Entrapment
Conclusions Implications and Comment
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acuity animals avian behaviour bill position bill tip organ binocular field bird species birds blind area capture Chapter collisions colour vision Common Starlings cormorants cornea cues density distance diversity diving ducks environment evidence evolution example feed field of view Figure fish flying foraging frequency frontal function Furthermore ganglion cells habitats head hearing humans Kakapo King Penguins kiwi low light levels magnetoreception mammals Martin minutes of arc natural selection night night-time nightjars nocturnal objects occur odour Oilbirds olfaction olfactory bulbs open airspace open habitats optical owls parrots particular passerines patterns Penguins perceptual challenges photopigments photoreceptors Procellariiformes relatively retina Rock Doves senses sensitivity sensory capacities sensory ecology sensory systems Shearwaters shorebirds spatial information spatial resolution spectrum structures surface tactile tasks taste Tawny Owls tion types underwater vertebrate vision in birds visual coverage visual field visual information vultures woodland