Roger Tory Peterson was cremated following his death.

In 1934, Roger Tory Peterson, using his fine skill as an artist, changed the way modern field guides approached identification.

The tapes are meant to be used with Roger Tory Peterson's field guides.

Make a birder, make a conservationist, Roger Tory Peterson said.

The father of the modern bird guide was indisputably Roger Tory Peterson, who died last year at the age of 88.

Roger Tory Peterson published his first field guide in 1934, and the rest is history.

Roger Tory Peterson was one of the first naturalists who used artistic techniques to help amateurs identify birds.

It's the historic site where Roger Tory Peterson painted birds, cataloged his many photos of them, and did research.

These were followed by new field guides including classics by Roger Tory Peterson.

Leaders include well-known ornithologists and naturalists; Roger Tory Peterson is one of the company's directors.