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Cooper’s Hawk Chick Gets Special Handling near Pipeline 5 Project

A Cooper’s hawk chick and its nest received special attention after being discovered recently near a San Diego County Water Authority construction project.

Environmental surveyors spotted the nest on March 27 south of Gopher Canyon Road during the Pipeline 5 repair project in Moosa Canyon in North San Diego County.

Water’s Long Journey to Your Faucet

Most people take it for granted. You turn the faucet on, and water comes out.

But it isn’t that simple. In fact, it’s far more complicated to fill a glass with clean drinking water.

That’s one of the reasons why the City of San Diego’s Public Utilities Department is mailing residents the annual Drinking Water Quality Report this week.

“A lot of people just think that when you turn the tap water on, it’s just coming from the lakes and the streams,” said Michael Simpson, the Senior Water Operations Supervisor at the Alvarado Water Treatment Plant near Lake Murray.

Major Ocean Research Effort Centered in San Diego

The Scripps Institution of Oceanography in San Diego will host a major research initiative funded by the federal government.

UC San Diego will host the Cooperative Institute for Marine, Earth and Atmospheric systems, and it will get up to $220 million in funding for research over a five-year period.

The National Oceanic and Atmospheric Administration is making the investment locally after a competitive bidding process.

For Now, No Border Wall For Arizona Tribe’s Colorado River Stretch

President Trump’s wall now stretches along 200 miles of U.S.-Mexico borderland. Progress hasn’t slowed during the coronavirus pandemic; in some places it’s even accelerating. But there’s a tiny swath of tribal land on the Colorado River where that’s not the case.

A Key Player on Colorado River Issues Seeks to Balance Competing Water Demand’s in the River’s Upper Basin

Colorado is home to the headwaters of the Colorado River and the water policy decisions made in the Centennial State reverberate throughout the river’s sprawling basin that stretches south to Mexico. The stakes are huge in a basin that serves 40 million people, and responding to the water needs of the economy, productive agriculture, a robust recreational industry and environmental protection takes expertise, leadership and a steady hand.

Justices Reject Clean Water Act Plea in Blow to Miners

Supreme Court justices today declined to consider whether moving — but not adding — rocks, sand and other debris within a regulated waterway is subject to Clean Water Act restrictions. The court’s decision not to take up the Eastern Oregon Mining Association’s petition came as a disappointment for operators that use suction dredge mining, an industrial process similar to panning for gold in a river.

Cooper's Hawk chick-Pipeline 5-May 2020-habitat

Cooper’s Hawk Chick Gets Special Handling near Pipeline 5 Project

A Cooper’s hawk chick and its nest received special attention after being discovered recently near a San Diego County Water Authority construction project.

Environmental surveyors spotted the nest on March 27 south of Gopher Canyon Road during the Pipeline 5 repair project in Moosa Canyon in North San Diego County.

Water Resources staff worked with construction and right-of-way staff to minimize and monitor work activities in the nest area.

Conservation strategy protects wildlife, environment

Limiting disturbance to the Cooper’s hawk chick and nest is part of the Water Authority’s commitments to its Natural Communities Conservation Plan and Habitat Conservation Plan, or NCCP/HCP.

The NCCP/HCP plan, approved by the U.S. Fish and Wildlife Service and California Department of Fish and Game in December 2011, provides goals, guidelines, and specifications that comprise the Water Authority’s Conservation Strategy for biological resources within its San Diego County Service Area and a portion of southwestern Riverside County.

When the repair work was completed, Water Resource staff contacted the nonprofit group Bloom Research Inc. and biologists with Bio-Studies Inc., who are studying raptors in Southern California.

“I met with biologist Dustin Janeke May 25th at the nest location and the single chick was retrieved by climbing approximately 35 feet up the nest tree and carefully placing it in a travel bag and bringing the chick down,” said Summer Adleberg, Water Authority environmental biologist.

Cooper’s hawk chick data check

Cooper's Hawk Chick-WNN-May 25, 2020, conservation, wildlife

Biologist Dustin Janeke, with Bio-Studies, Inc. of Escondido, is banding the Cooper’s hawk chick on May 25. Photo: San Diego County Water Authority

 

Banded Cooper's hawk chick-wildlife conservation-WNN-Pipeline 5

The timing of banding is important. The Cooper’s hawk chick’s band is big enough to allow its leg to grow to full adult size. Photo: San Diego County Water Authority

Adleberg said biologists collected data from the chick, including approximate age, size, sex and overall health, and they attached a USGS band to the bird’s right ankle. The band has a unique eight digit code that is entered into a federal bird banding database.

In general, bird banding allows scientists to study the Cooper’s hawk migration, behavior, survival rate, reproductive success and population growth.

If this bird is ever encountered again in the future, the band number will provide information as to exactly where and when this bird was banded. Pete Bloom, of Bloom Research Inc. is studying the natal dispersal behavior of raptors throughout Southern California. Biologist Janeke with Bio-Studies is a permit-authorized volunteer assisting Bloom’s research projects.

The ‘chick check-up’ showed the Cooper’s hawk was a male estimated to be 2-3 weeks old, weighed about two ounces, and it had started developing tail and wing feathers, with a wing about 2 inches long.

When the data collection was completed, the chick was returned to its nest. Adleberg said the chick was expected to stay in the nest for another 2 to 3 weeks before it fledged and moved out on its own.

Water Authority Environmental Biologist Summer Adleberg-Cooper's Hawk Chick-WNN

Following data collection, Water Authority Environmental Biologist Summer Adleberg takes the Cooper’s hawk chick back to its nest. Photo: San Diego County Water Authority