Also known as fish eagles, they are monitored by researchers from the University of North Carolina by satellite

Soon after I began studying birds in the Amazon, twenty-some years back, I got to know a nocturnal call given on moonlit nights, but I couldn’t tell where it came from. It was a long, melancholy whistle, like the sound you hear from a falling bombshell in war movies just before the explosion: ”weeeeeeeeeeooooooooh”.