SFGATE | San Francisco Bay Area news on Instagram: "Footage captured by biologists Jim Tietz and Nick Hoffman in late November shows a spectacular winter phenomenon. Thousands of seabirds known as common murres return to the Farallon Islands National Wildlife Refuge, 30 miles off the coast of San Francisco, to reestablish bonds with their mates and secure their spot for the breeding season ahead. It’s a display they fondly refer to as a “murrenado” — a mashup of “murre” and “tornado” — that isn’

SFGATE | San Francisco Bay Area news on Instagram: "Aviation enthusiasts captured footage of an experimental aircraft designed by Stratolaunch, an aerospace company located in the Mojave Desert. Described as the world’s largest flying aircraft, Roc — which looks like two 747s fused together and has a wingspan larger than a football field — recently completed a series of test flights last year, reaching an altitude of 35,000 feet. Keep reading at the link in our bio."