Natural History Wanderings

The 2011 State of the Birds San Francisco report is out.

“This report summarizes the current state of knowledge on the bird populations of San Francisco Bay, while also recommending science-based actions needed to conserve them and the habitats they depend upon.Within this report are population trends, threats, and recommended actions for land and water managers, policy-makers, non-profit conservation groups, and researchers.”

It includes discussion of  the status of various habitats and endangered species.  Some highlights of the report were:

Most bird populations are stable.
Riparian birds and two endangered species have increased.
Grassland and coastal scrub-chaparral birds are losing habitat.
California Clapper Rail still struggles.
All habitat types harbor species at risk.
Sea level rise is a critical threat.

Read the full report at:  The State of the Birds 2011 San Francisco Bay – The State of the Birds San Francisco Bay 2011.