Eagles through the thermal imager

Roy Lupton uses his thermal imager to see the difference between a cold-weather eagle and two warm-weather eagles. There's hardly any heat loss from the golden eagle, but the crowned eagle and Martial eagle show up white. It shows why you may need to heat your aviaries.

This item appears in Fieldsports Britain episode 277. Watch the whole show on YouTube http://bit.ly/fieldsportsbritain277

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