Tag Archives: bird ringing

Summer 2010 in Namibia, Botswana, Zambia, and Zimbabwe

For any twitcher, the first step to amass a decent world-list is to make sure you buildĀ a sizeable lifelist at home. My formative years in southern Africa was rather productive in this regard, as birder friends frequently invited me on … Continue reading

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Climate change ‘makes birds shrink’

Bergmann’s RuleĀ states that there is a strong positive correlation between body size and latitude: equatorial animals have smaller body sizes than polar animals. Importantly, smaller animals have a lower surface area to volume ratio than larger animals. As such, smaller … Continue reading

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