Bay Area's First Osprey Camera
A Chronological Osprey Season
While every nesting season is different, there are fundamental elements that remain the same. Follow along with Rosie and Richmond on a typical year of nesting activity. See what makes the current season unique.
First, a Little History
When did Rosie and Richmond begin nesting on the Whirley crane? According to Tony Brake, local Osprey expert: “I didn’t discover the Osprey nest on the crane until July 2011. Since there were no nestlings/juveniles at the time, it was apparent the nesting failed that season. I learned from a former docent on the ROV, a GGRO hawkwatcher, that the first year it was used was in 2010 and they fledged at least one. A Google Streetview image showed the nest wasn’t present in 2009.
“The Richmond Yacht Club nest was installed in 2016, and the male was almost certainly Richmond, who overwintered 2016-17. As the 2017 nesting season approached, Richmond spent time at both nests. When Rosie showed up (3/5/17), he proceeded to pair with her at the Whirley Crane nest, since the previous male apparently didn’t return. He had previously returned in mid-late February. Once the female returned to the RYC nest, Richmond also spent time there, with copulation occurring with both females. Eventually, another male showed up who paired with the RYC female, and Richmond settled on the crane nest. This pattern repeated the next two years.”
How old are Rosie and Richmond? They are believed to have bred in 2016, as stated above, when they would have been at least three years of age. Ospreys may live into their late twenties, but 10% of the adult population perish each year, and the average life expectancy for Ospreys in the wild is 8-10 years.
Richmond and Rosie