35 years of keeping an eye on Arizona’s bald eagle nesting sites

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Nestwatchers

Jean Marie Spilker, right, and Lisa Helgren keep an eye on a bald eagle nest near Apache Junction as part of the Arizona Bald Eagle Nestwatch Program. [Photos by Gerald Bourguet/Cronkite News]

Nestwatchers

Jean Marie Spilker and Lisa Helgren observe the nest pictured (center, in the distance) from a half mile away throughout the day. [Photos by Gerald Bourguet/Cronkite News]

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Nestwatchers

The Salt River flowing through the desert near Apache Junction is one of the bald eagle habitats observed by nestwatchers. [Gerald Bourguet/Cronkite News]

Nestwatchers

Nestwatchers keep detailed notes on the activities of bald eagles and nestlings throughout the day. [Cronkite News]