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Kansas 1992-1997

Methods


General Methods
Sampling & coverage of blocks

Each block consisted of 1/6 of a USGS 7.5 minute topographic quad. One priority block was randomly selected per quad. All but one of the 746 priority blocks and additional 36 special blocks were sampled.


View blocks in the Mapping Tool >>

Coordination of coverage
Eight regional coordinators helped organize atlas efforts and verify data.

Breeding Evidence Codes
Code Code description  (see handbook for full description & use suggestions)
PO Category - possible breeding evidence
PO Species (male or female) observed within safe dates with no evidence of breeding. Not in suitable nesting habitat.
PX Species (male or female) observed in suitable nesting habitat during its safe dates.
PR Category - probable breeding evidence
PS 7 or more singing males of a species observed during a single visit during their breeding season.
PP Pair observed in suitable nesting habitat during its breeding season.
PT Permanent territory presumed through either defense (e.g. chasing of other birds) or song at same location on at least 2 occasions 7 days or more apart or in an aerial display (Horned Lark, Cassin's Sparrow, Lark Bunting).
PC Courtship behavior or copulation.
PN Visiting probable nest site.
PA Agitated behavior or anxiety calls from adult.
PB Nest building by wrens or excavation of holes by woodpeckers.
CO Category - confirmed evidence of breeding
NB Nest bulding or adult carrying nesting material.
BP Physiological evidence of breeding based on brood patch.
DD Distraction display or injury feigning.
UN Used nest found. Must be carefully identified if it is to be accepted.
FL Recently fledged young that are still dependent upon the adults as evidenced by the adults' feeding the young or protecting the young.
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.
FS Adult carrying fecal sac.
FY Adult carrying food for young.
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: 21-Dec-2014