Read e-book online Everything You Always Wanted to Know About Birds ...But Were PDF

By Stephen Moss

ISBN-10: 0713668156

ISBN-13: 9780713668155

ISBN-10: 1408132974

ISBN-13: 9781408132975

This RSPB-endorsed booklet solutions all these burning questions about
birds that novices and specialists alike may possibly ask themselves as they go
about their birding. How do geese retain their toes from freezing in
winter? Why do not swallows remain in Africa? Are birds quite dinosaurs,
or have been dinosaurs particularly birds? How is it determined no matter if chicken species
should be 'split' or 'lumped'?

Taking a 'questions and solutions' strategy, each one particular question
leads to a solution which expands the topic lower than dialogue, so that
all features of poultry lifestyles and the pastime of birding are lined. The
scientifically rigorous solutions jointly shape a powerful and
fascinating physique of bird-related info. This hugely readable book
will intrigue a person with an curiosity in birds.

"Concise and informative, in a chatty daily style... an exceptional e-book for dipping into." Birds

"Packed with enormous quantities of questions that any one extensively in
birds could ask, each spoke back in an easy-to-understand manner.
Excellent for somebody, new to birdwatching or not." BTO News

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Extra info for Everything You Always Wanted to Know About Birds ...But Were Afraid to Ask (Rspb)

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32 In all sorts of ways. Many basic life skills such as finding food are learned by watching and imitating their parents, though innate instinct also plays a part. Thus male birds kept in isolation from others of their species still learn to sing, though not as well as if they had been able to hear other singing males. Birds also use a process of trial and error: if they eat an insect or plant which makes them ill, they are unlikely to do so again. Finally, birds are also capable of learning through observation of cause and effect, such as when Herring Gulls learn to drop a mollusc onto a hard surface in order to get at its contents, or Blue Tits discover how to peck through the foil tops of milk bottles to reach the cream below.

32 In all sorts of ways. Many basic life skills such as finding food are learned by watching and imitating their parents, though innate instinct also plays a part. Thus male birds kept in isolation from others of their species still learn to sing, though not as well as if they had been able to hear other singing males. Birds also use a process of trial and error: if they eat an insect or plant which makes them ill, they are unlikely to do so again. Finally, birds are also capable of learning through observation of cause and effect, such as when Herring Gulls learn to drop a mollusc onto a hard surface in order to get at its contents, or Blue Tits discover how to peck through the foil tops of milk bottles to reach the cream below.

It is now known that poorwills can maintain this state for up to 100 days. Other groups such as hummingbirds and swifts can also shut down most of their body mechanisms to achieve a state of torpor, but for much shorter periods. How long do birds live? Anything from a few hours to almost as long as us, depending on the kind of bird and the hazards it faces. Many birds die very early in their lives, due to starvation or attack by predators. If a bird survives its first year, then lifespan varies between species: most songbirds live for between two and ten years, waders from about five to ten years, and raptors from five to 20 or even 30 years.

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Everything You Always Wanted to Know About Birds ...But Were Afraid to Ask (Rspb) by Stephen Moss


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