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We’ve been tracking birds in a small Nigerian forest for 18 years. What we found and why it matters

We’ve been tracking birds in a small Nigerian forest for 18 years. What we found and why it matters

IF you live in Europe, you can find almost any statistic you like about the birds in the environment. How many there are of a species, where you find them, and whether their population is increasing or decreasing. In some countries like the UK, there are comprehensive surveys going back 60 years and they have mapped and counted every single bird species three times already. Author WILLIAM CRESSWELL, Chair professor, University of St Andrews These detailed statistics allow effective monitoring of the environment. This is because birds are an indicator species of how well the ecosystem is functioning to provide…
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