Monica Retamosa was in the middle of changing the batteries of a tape recorder when she heard a bellbird for the first time. Standing on a forest floor, she looked up into the trees, scanning for the ...

What if I told you one of the most active volcanoes in the world is surrounded by this much calm? This is Arenal, the heart of Costa Rica. Green hills roll into thick rainforest, alive with birds, ...

Despite the best efforts of many a telescope-wielding nature guide, I fell in love with birds while sitting at my desk in San José, editing a field guide to the birds of Costa Rica in my previous job.

What do you get when you combine the broad wings and big body of a raptor with a little curved beak on a small dove-like head? You get the gray-headed kite. The gray-headed kite (Leptodon cayanensis) ...