biologist

Henry Niman, an evolutionary molecular biologist with Recombinomics Inc., a virus and vaccine research company in Pittsburgh, reviewed the sequence data and reported the results to The Times and on social media Wednesday.

That kind of sibling rivalry is normal, and though fans may become concerned with the eaglets’ welfare, the biologist reminds that this is “just part of watching nature.”

State biologists say salmon populations have declined because of a combination of factors, such as dams, which have blocked off spawning areas, and global warming, which is intensifying droughts and causing warmer temperatures in rivers.

Conservationists worry that losing federal biologists like Vizzachero will deprive agencies of information needed to protect not only the majestic spotted owl, but also imperiled frogs, fish, mammals and other birds.

Bald eagle eggs typically have a 50-50 chance of hatching, according to Sandy Steers, biologist and executive director of Friends of Big Bear Valley.