🔴 LIVE: The Secret Lives of Birds | BBC Earth

Each winter, CPW biologists fan out across Colorado in helicopters and small planes to count wildlife. They have just a few seconds to quickly dictate into an audio recorder what they see, calling out "bull, cow or calf" for each elk and "buck, doe or fawn" for every deer. They also count pronghorn on these wild rides across the eastern plains and into the high country. These videos, taken in recent weeks, show how little time biologists have to count wildlife. For a few seconds of stress on the

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