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Bald Eagles Break Nest Record in 2014

LINCOLN – A record 146 bald eagle nests were surveyed in 2014 by the Nebraska Game and Parks Commission and its partners, with 111 of the nests being active.

Bald eagles were on federal and state endangered species lists as late as 2007 and 2008, respectively. In less than a quarter century the species has gone from a nonexistent breeding species in the state to one that is relatively numerous, according to Joel Jorgensen, Game and Parks’ nongame bird program manager.

In the early 1980s, when federal recovery plans were written to save populations in the lower 48 states, the recovery goal for Nebraska was set at 10 breeding pairs. In 1991, Nebraska recorded its first active and successful bald eagle nest in approximately a century. In 2007, the number of nests had grown to 54 active nests. In 2014, there were 111 active nests.

“Bald eagles have relatively slow rate of reproduction compared to a prolific species, such as doves,” Jorgensen said. “It takes about three months for a bald eagle pair to successfully nurture two or three eggs into independent young eagles. If a bald eagle pair is experienced and lucky, they will raise two and sometimes even three eagles a year. Our data shows that Nebraska bald eagle pairs have produced, on average, 1.8 eagles per year.”

The most common source of nest failure in Nebraska is the nest tree blowing down, usually from winds associated with a severe thunderstorm. Unlike other species, bald eagles will not re-nest in the same year if their nest fails. “Considering all of this, and also that a number of immature and adult bald eagles die every year from various causes, we have still added about five nests each year in Nebraska,” Jorgensen said.

Jorgensen said the increase of nesting bald eagles in Nebraska has occurred over a time period when other species and natural communities have declined. He said other species have been added to the list of endangered species and others are being considered. “While broad generalizations should be taken in stride because there is always ebb and flow in nature, there is no question conservation of our state’s biodiversity is increasingly challenging,” he said.

About Jerry Kane

Jerry Kane is the news manager with the Nebraska Game and Parks Commission. He can be contacted at jerry.kane@nebraska.gov or 402-471-5008.

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