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Sonoma Co. (CA) 2011-2015

Methods


General Methods
Sampling & coverage of blocks

Sonoma Co. is divided into 5km x 5km blocks using the UTM grid system.

Coordination of coverage
This project is being managed by the advisory group consisted of the community representatives and volunteers from the Madrone Audubon Society.

Breeding Evidence Codes
Code Code description  (see handbook for full description & use suggestions)
OB Category - Observed: not breeding evidence
O Species (male or female) observed during its breeding season, but not believed to be breeding in the block. Not in suitable nesting habitat.
PO Category - possible breeding evidence
Z Species (male or female) observed in suitable nesting habitat during its breeding season.
X Singing male present in suitable nesting habitat during its breeding season.
PR Category - probable breeding evidence
P Pair observed in suitable nesting habitat during its breeding season.
S Permanent territory presumed through song at same location on at least 2 occasions 7 days or more apart.
T Permanent territory presumed through defense of territory (e.g. chasing individuals of the same species).
C Courtship behavior or copulation.
N Visiting probable nest site.
A Agitated behavior or anxiety calls from adult.
B Nest building by wrens or excavation of holes by woodpeckers.
CO Category - confirmed evidence of breeding
CN Bird carrying nesting materials such as sticks, mud, grass, twigs, down, etc.
NB Nest building at the actual nest site.
PE Physiological evidence of breeding, e.g. highly vascularized, edematous brood patch or egg in oviduct based on bird in hand. (For banders.)
DD Distraction display or injury feigning.
UN Used nests or egg shells found. Must be carefully identified, if they are to be accepted.
PY Precocial young. Flightless young of precocial species restricted to the natal area by dependence on adults or limited ability.
FL Recently fledged young (either precocial or altricial) incapable of sustained flight, restricted to natal area by dependence on adults or limited mobility.
ON Adults entering or leaving a nest site in circumstances indicating occupied nest. To be used for nests which are too high (e.g. the tops of trees) or enclosed (e.g. chimneys) for the contents to be seen.
CF Adult carrying food for young.
FY Adult feeding recently fledged young.
FS Adult carrying fecal sac.
NE Nest with egg(s).
NY Nest with young seen or heard.
Habitat Codes
- - this atlas does not record habitat on the field card - -

Where this information came from
Most of the information on this page is from the project's publication or Handbook (guide for field work).
U.S. Department of the Interior || U.S. Geological Survey || Patuxent Wildlife Research Center  Laurel, MD, USA 20708-4038
This site is: http://www.pwrc.usgs.gov/bba
Information contained in this application does not necessarily have the endorsement of USGS.
Contact: mwimer@usgs.gov

Last updated: Site - May 2014; Content - various, depending on atlas.
Page generated on: 01-Oct-2014