Dung Beetle: Burrowing owls have been seen using animal poop as bait to trap dung beetles for food.

Wendy Perkins, Staff Writer

Catching Rock Iguanas: Easier Said than Done!

Catching Rock Iguanas: Easier Said than Done!

October 20th, 2014

Corinne Pisacane

Once caught, our next challenge was to try to take a blood sample from each iguana to measure baseline stress hormones. From the moment we caught each iguana, we had exactly three minutes to successfully collect the blood. Any time over three minutes meant that stress hormones (or glucocorticoids) had already reached the iguana’s circulation, meaning we were measuring its stress response to the capture, which was not our goal. As you can imagine, this made for a very exciting three minutes!

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