Wading Bird Rookeries
type: Dataset
description: This shapefile contains a range map of wading bird rookeries located in 1999 by the Florida Fish and Wildlife Conservation Commission. The Florida Fish and Wildlife Conservation Commission conducted a statewide aerial survey during 26 January-25 June 1999 to locate waterbird (herons, egrets, ibises, spoonbills, storks, anhingas, cormorants, and pelicans) breeding colonies and estimate colony size and species composition. Fixed-wing aircraft were used to fly statewide East-West survey transects at 5-km intervals. Survey routes deviated at times to allow inventory of previously known colonies from earlier surveys. Of the 1,065 sites visited in 1999, 371 (34.8%) were active colonies supporting one or more species of waterbirds, while 694 (65.2%) were inactive sites. The largest number of active colonies (n=158, 42.6%) were located in central Florida between 27º-29ºN latitude; only 72 (19.4%) of the colonies were located in northern Florida above 29ºN; the remaining colonies (n=141, 38.0%) were found in the southern part of the state below 27ºN. Of the 371 active colonies located in 1999, 72.5% (n=269) contained 2 or more nesting species, while only 12.1% (n=45) exhibited 5 or more nesting species. The colonies in the central region tended to contain more species per colony than both the northern and southern regions of the state. Fewer colonies were found in 1999 (n=371) compared to previous statewide surveys during 1976-1978 (n=378) and 1986-1989 (n=635). Except for the brown pelican and cattle egret, most species continued a trend of nesting in smaller numbers and in fewer colonies during 1999 compared to previous surveys. Of the active colonies located in 1999, 51.2% (n=190) were previously undocumented colonies, 43.9% (n=163) were active during 1986-1989, and 21.0% (n=78) were active during 1976-1978. Only 60 (16.2%) 1999 colonies were active during the 1976-1978, 1986-1989, and 1999 surveys. This database contains records for all known and verified colonies in the…
issued: 2025-11-22T21:14:41.949815
modified: 2025-11-22T21:14:41.949819
spatial: Location
keyword: amerigeo
keyword: amerigeoss
keyword: ckan
keyword: florida
keyword: fwc
keyword: geo
keyword: geoss
keyword: national
keyword: north-america
keyword: united-states

CSDGM IMPORT ERROR: No digtinfo/formname
type: Distribution
description: CSDGM IMPORT ERROR: No digtinfo/formcont
format: EXE
issued: 2020-11-29T22:51:10.339314
modified: 2025-11-22T21:14:41.942393
access URL: http://research.myfwc.com

US Migrating
type: Agent