Migration Dynamics of the Whooping Crane

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TA3LE 2 -5 ROOST SITES USED BY WHOOPING CRANES DURING FALL MIGRATIONS IN 1981 AND 1982 BASED ON RADIO- TRACKING SURVEYS Date Location Habitat Type and Food Source(a) 1981(b) (family group - 2 adult cranes and 1 radio-tagged young) 4 OCT Departed from Wood Buffalo NP 4 -5 OCT Lake Cl ai re area, Alberta 6 OCT Near Michael Lake, Alberta 7 OCT Near Sand Lake, Alberta 8 OCT Tracking abandoned west of Conklin, Alberta 10 -20 OCT Reward - Luseland area, Saskatchewan 20 OCr Near Swift Current, Sask. 21 OCr Near Bredette, Montana on Poplar River 22 OCT S of Merritt Reservoir near Valentine, 10 -14 OCT Nebraska 23 OCT 2 mi. NW of Oconto, Nebraska 24 OCr 7 mi. S of Rush Center, Kansas 25 OCT 3 mi. W of Waynoka, Oklahoma 26 OCT S of Lawton, Okl ahana 27 OCr- Byers Lake, Texas 1 NOV Near Llcydminster, Sask. 1 NOV Rosebud, Texas nesting grounds roost undescribed roost undescribed roost ' undescribed roost undescribed roost undescribed; fed in grain fields; remained in area for 10 days Ducks Unlimited protect roost undescribed wetland area (Alkali Pond) stock agmd 28 mi. N of Platte River; fed near roost (24 OCr) roost undescribed; fed in stubble (25 OCT) Cimarron River; roosted and foraged in river wetland area roosted near Red River; remained in area 4 days due to strong winds stock aond; fed near roost; moved further south in morning (2 NOV) to feed in sorghum field 2 NOV 3 mi. N of Tivol i, Texas flooded pasture 20 mi. fran Aranas NWR 3 NOV Arrived at Aransas NWR wintering grounds 12OZ(c) (family group - 2 adult cranes and 1 radio-tagged young) 8 OCT Departed from Wood Buffalo NP 8 OCT N of Lake Cl ai re, Al berta 9 OCT N of Fort McCurray, Al berta 10 -14 OCT Primrose Lake Ai r Weapons Range, 29 OCT Saskatchew an 14 OCT 60 mi. N of Saskatoon, Sask. near 30 OCT Horseshoe Lake 15 OCT 35 mi. NE of North Battl eford, Sask. 16 OCT 4 mi. N of St. Wal burg, Sask. 17 OCr Near Llcydminster, Sask. 18-27 OCf 8 mi. W of North Battl eford, Sask. 27 OCr 25 mi. SW of Weyburn, Sask. 28 OCT 50 mi. NE of Dickinson, North Dakota 29 OCT 6 mi. M of Eureka, South Dakota 30 OCT 11 mi. SW of Eureka, SD 31 OCr 5 mi. W of Hov en, SO 1 NOV 15 mi. SE of Ainsworth, Nebraska 2 NOV 15 mi. W of Anadarko, Oklahoma 3 NOV 5 mi. NW of Vindaurri, Texas 4 NOV Arrived at Aransas MR nesting grounds roost undescribed small boreal lake shallow shoreline Qf lamas prairie lake; fed in wetlands along lake shore; remained in area 4 days small "pothole' pond; fed in barley fields 1/4 -acr J= .tasnd roost undescribed roost undescribed 5-acre f 2=m ; fed in barley and wheat fields surrounding the pond; remained 8 days at this site roost undescribed shallow flooded wheat field (about 1/4 acre) roost undescribed 20 -acre farm pond Swan Lake, shallow 400 -acre lake small fond _in J�bg Nebraska Sandhills shallow b.0 = Fort Cobb Reservoir; fed on small fish shallow marsh = ranch 28 mi. - W of Aransas NWR wintering grounds (a) Available references do not describe the roost habitat or food sources at a number of stopover locations. Specific roost sites have been underlined for visual emphasis. (b) Sources: FWS (1981b, pp. 1 -10) and Williams (1981); see Appendix A, Figure A -1 for map of flight track. (c) Sources: PWS (1982b, pp. 1 -4) and F4S (1982c); see Appendix A, Figure A -3 for map of flight track. 2 -18