The camera is about the size of grapefruit and camouflaged with leaves. It's equipped with an infrared light --- which the eagles can't detect --- for nighttime viewing.

Sue Thomas, 66, has been watching the nest from her home in Twyford in Great Britain. She said she checks in first thing in the morning --- even though it's still dark in Iowa and the eagles are sleeping.

"We have it on all the time and sort of pop in and out and have a look-see what's going on," she said.

Thomas, who enjoys watching birds in her own back yard, said her favorite shots of the eagles are when the adults stand up, revealing the little ones below. She saw one of the adults feeding shreds of a what appeared to be a rabbit to the first chick.

"It's just lovely to see what the little baby eagles are doing," Thomas said. "It's amazing to see creation going on in such a happy way."

Anderson said teachers log on for class projects and about 23 volunteers staff the site's chat room from 8 a.m. to 8 p.m. CST daily.

The pair of eagles have raised eight chicks since they built the nest four years ago.