Belize Biodiversity Information System NAME - Gray Hawk FAMILY - Accipitridae SCIENTIFIC NAME - Buteo nitidus plegiatus SYNONYMS - Falco nitidus- Latham 1790 REFERENCES - 1 National abundance, Conservation or Economic Status Reference Resident, species present all year. 42 Resident, species present all year. 41 Apparently secure in Belize 40 Uncommon: occur at low density in proper habitat. 40 PIF-3 Migr. w/breeding pop. in U.S. at Mex. highlands 26 PIF Trend: N/A 26 U.S. Migratory Bird Treaty 32 District Reference Belize 6 Cayo 5 Corozal 12 Orange Walk 7 Toledo 4 Administrative Unit Occurrence Temporal Reference Freshwater Creek Forest Reserve Dry season 12 Mountain Pine Ridge Forest Reserve Sighting Dry season 5 Mountain Pine Ridge Forest Reserve Permanent 27 Chiquibul Forest Reserve Dry season 18 Chiquibul Forest Reserve Dry season 26 Shipstern Nature Reserve Dry season 17 Rio Bravo Conservation Area Collected as voucher 30 Rio Bravo Conservation Area 23 Rio Bravo Conservation Area 34 Gallon Jug Sighting Dry season 21 Gallon Jug Sighting Wet season 20 Gallon Jug Dry season 7 Guanacaste National Park Dry season 22 Chiquibul National Park Permanent 27 Chiquibul National Park 26 Bladen Nature Reserve Sighting Dry season 13 Cockscomb Basin Wildlife Sanctuary 33 Monkey Bay Wildlife Sanctuary Sighting Dry season 14 Community Baboon Sanctuary 25 Community Baboon Sanctuary 28 Lamanai Archaeological Reserve Sighting Dry season 15 Altun Ha Archaeological Reserve 29 Altun Ha Archaeological Reserve Collected as voucher 37 Caracol Archaeological Reserve 10 Mussel Creek Drainage (Proposed) 11 Mussel Creek Drainage (Proposed) 6 Private land, see comments Collected as voucher APRIL 26 Private land, see comments Sighting Dry season 8 Private land, see comments Sighting Summer Vis 4 Private land, see comments Collected as voucher 39 Private land, see comments Dry season 20 Private land, see comments 24 Private land, see comments 27 Private land, see comments 9 Private land, see comments Collected as voucher 38 Private land, see comments Collected as voucher 39 Government land 19 Monkey River Special Development Area 31 Hydrologic Association Reference New River Lagoon 34 Belize River 28 Sibun River 19 Cox's Lagoon 6 Macal River 5 Belize River 8 Mussel Creek 11 Bladen Branch 13 Sibun River 14 New River 15 Raspaculo River 18 Elevation Reference 1-200 m 30 1-200 m 34 1-200 m 35 1-200 m 37 1-200 m 38 1:50,000 Quadrangle Reference 17 45' to 18 00'; 88 30' to 88 45' 15 17 45' to 18 00'; 88 15' to 88 30' 29 17 45' to 18 00'; 88 15' to 88 30' 37 17 30' to 17 45'; 89 00' to 89 15' 20 17 30' to 17 45'; 89 00' to 89 15' 35 17 30' to 17 45'; 89 00' to 89 15' 7 17 30' to 17 45'; 88 45' to 89 00' 35 17 30' to 17 45'; 88 30' to 88 45' 25 17 30' to 17 45'; 88 30' to 88 45' 27 17 30' to 17 45'; 88 30' to 88 45' 28 17 30' to 17 45'; 88 30' to 88 45' 34 17 30' to 17 45'; 88 10' to 88 30' 35 17 30' to 17 45'; 88 10' to 88 30' 7 17 15' to 17 30'; 88 45' to 89 00' 22 17 15' to 17 30'; 88 45' to 89 00' 8 17 15' to 17 30'; 88 30' to 88 45' 26 17 15' to 17 30'; 88 30' to 88 45' 30 17 15' to 17 30'; 88 30' to 88 45' 35 17 15' to 17 30'; 88 30' to 88 45' 6 17 00' to 17 15'; 89 00' to 89 15' 9 17 00' to 17 15'; 88 45' to 89 00' 35 17 00' to 17 15'; 88 45' to 89 00' 7 17 00' to 17 15'; 88 30' to 88 45' 35 17 00' to 17 15'; 88 30' to 88 45' 7 16 45' to 17 00'; 89 00' to 89 15' 10 16 45' to 17 00'; 89 00' to 89 15' 26 16 45' to 17 00'; 89 00' to 89 15' 27 16 45' to 17 00'; 88 45' to 89 00' 5 16 45' to 17 00'; 88 30' to 88 45' 33 16 30' to 16 45'; 88 45' to 89 00' 13 16 30' to 16 45'; 88 30' to 88 45' 33 18 15' to 18 30'; 88 00' to 88 15' 17 16 15' to 16 30'; 88 15' to 88 30' 31 16 00' to 16 15'; 89 00' to 89 15' 16 16 00' to 16 15'; 89 00' to 89 15' 27 16 00' to 16 15'; 88 45' to 89 00' 20 16 00' to 16 15'; 88 45' to 89 00' 30 15 50' to 16 00'; 88 50' to 89 15' 4 18 00' to 18 15'; 88 15' to 88 30' 12 18 00' to 18 15'; 88 15' to 88 30' 38 17 45' to 18 00'; 89 00' to 89 15' 23 17 45' to 18 00'; 88 45' to 89 00' 30 Holdridge Life Zone Reference Tropical moist-transition to Subtropical 35 Tropical moist-transition to Subtropical 30 Subtropical wet 33 Subtropical wet 30 Subtropical moist 38 Subtropical moist 37 Subtropical moist 34 Subtropical moist 30 Subtropical moist 28 General Distribution Comments 42* Common northern semideciduous moist forest. Common southern moist-wet evergreen broadleaf forests. Rare Mtn. Pine Ridge/savannas on poor soil. Uncommon coastal/low-lands savannas, inc. marshy areas. 41* Uncommon in northern hardwood forests, common in southern hardwood forests, rare in the Mountain Pine Ridge, rare in coastal savannahs. 27* Big Falls Rice Farm; Blue Creek 26* Big Falls; Guacamallo 24* Belize City 20* Toledo Settlement, 4 mi. W of Punta Gorda 19* Sibun Bridge 13* Richardson Creek & Bladen Br. upstream to Calera Caves 9* Sighted at or within 5 mile radius of Chaa Creek Cottages 8* Banana Bank Ranch 5* Rubber Camp References 1 A.O.U. 1983. Checklist of North American Birds. 6th Ed. 2 A.O.U. 1985, 1987, 1989. 35th-37th Supplements. 3 Howard, R. and A. Moore. 1980. A Complete Checklist of the Birds of the World. Oxford. 4 Matola, S., 1990. The Dolores Expedition, January 27 - February 3, 1990. Unpublished report. 5 Miller, B.W.; C.M. Miller. 1992. Preliminary Avian Survey of the Upper Macal River: Rubber Camp and Francelia Camp, pp.55-63. in Macal River Hydroelectric Development Environmental Impact Assessment Rubber Camp and Chalillo Schemes Pre-feasibility Study - Draft Environmental 6 Hunt, H. R., J. Tamarack. 1992. Cox Lagoon Crocodile Preserve. Unpub. report. pp.4-8 7 Miller, B. W., 1994. Belize Christmas Bird Counts, Twenty Year Summary. in prep. 8 Duncan, M., W. Duncan. 1993. Banana Bank, Nov. 1, Checklist provided in lit. 9 Carnegie Ornithological Group and Mass Audubon Ornithological Group, compilers. 1993. Chaa Creek Bird List. Unpublished list. 10 Miller, B. W., C. M. Miller. 1994, Birds of Caracol, 1988 - 1993. in prep. 11 Miller, B., C. Miller. 1987. Conservation of a Critical Marsh and Lowland habitat, Mussel Creek drainage system, Belize, C.A. Report to NYZS/Wildlife Conservation Society. 12 Miller, C., B. Miller. 1994. Avian Surveys: Freshwater Creek Forest Reserve 1-10 March. Unpublished Report to the Forestry Dept. 13 Brokaw, N. L. V., T. L. Lloyd-Evans. 1987. The Bladen Branch Wilderness. p.38-42. Unpublished report. 14 Anon. 1994. Monkey Bay Checklist of Birds. Unpublished list. 15 Noble, B., B. Stewart, J. Dillon. 1994. Lamanai Bird List, Mid-October 1993 - 16 March 1994. 16 Weyer, D. 1984. Diurnal Birds of Prey of Belize. The Hawk Trust. Vol. 14 pp.23 - 39. 17 Meerman, J. 1993. Checklist of the Birds of the Shipstern Nature Reserve, Occasional Papers of the Belize Natural History Society. 2(10). pp. 71-81. 18 Mallory, E. 1993. Birds of the Upper Raspaculo, Belize: JSSEUR II. Unpublished report. 19 McDuffie, P. 1993. Personal Bird List for Belize: September 1, 1989 - December 15, 1993. Unpublished list. 20 Russell, S. M. 1964. A Distributional Study of the Birds of British Honduras. Ornithological Monographs No. 1, A.O.U. 21 Miller, B., C. Miller. 1994. A working checklist of the birds of Gallon Jug. Unpublished list. 22 Robbins, C. S., 1987. Birds recorded at Guanacaste National Park. Unpublished list. 23 Anon. 1994 (August). Working Checklist, Birds of Rio Bravo Conservation Management Area. Unpublished list. 24 Forsythe, D. 1994. Unpublished Belize Trip list June 18-21. 25 O'Connell, S. 1987. in Horwich, R. H. and J. Lyon. The Community Baboon Sanctuary, A Guide Book. Orangu-tan Press, Gays Mills, WI. pp. 113. 26 Counsell, D.J.R., B. Etheridge. 1986. RAFOS Expedition to Belize. Unpublished report. 27 Hallchurch, T.T., compiler. 1982. Exercise King Vulture Belize 23 Feb.- 16 March. Unpub. report for the British Army Bird Watching Society. 28 James, D., J. Bider. 1993. Bird List: Community Baboon Sanctuary, 1989- 1993 (derived from banding & census data, field notes). Unpublished data 29 Barlow, J.C., J.A. Dick, D.H. Baldwin and R.A. Davis. 1969. New records of Birds From British Honduras. Ibis. 115:399-402. 30 Robbins, Chandler. 1996. U.S.F.& Wildlife Service Wintering Bird Surveys for Belize. Unpublished data provided by C. Robbins. 31 Meerman, J.C. ed. 1995. Monkey River Special Development Area Stann Creek District, Belize. Belize Tropical Forest Studies Publication #5. Appendix: Bird List. Unpublished Technical report for B.E.S.T. 32 Title 50 Code of Federal Regulations, Subchapter B., Part 10.13: List of Migratory Birds. U.S. Government Printing Office: 1985 0-488-794. (Lists all species of migratory birds protected by the Migratory Bird Treaty Act (16 U.S.C. 703-711). 33 Kamstra, J. May 1987. An Ecological Survey of the Cockscomb Basin, Belize. Masters Thesis. York University, Ontario, Canada 34 Vallely, A. C., A. A. Whitman. 1996. The birds of Hill Bank, northern Belize. Unpublished report for Programme for Belize. 35 Miller, B. W. 1997. Belize Christmas Bird Count Summary 1970-1995. Data from American Birds Vol. 28-50 including 1973-1996. 36 Working Group, Partners in Flight. 1992. Needs Assessment: Monitoring Migratory Birds. Report for Neotropical Migratory Bird Program 37 ROM. 1997. Royal Ontario Museum, Division of Birds, Holdings of Belize specimens through Jan. 1, 1997. Provided by Brad Millen. 38 Panza, R. 1997. Carnegie Museum, Division of Birds, Holdings of Belize specimens through Jun. 1, 1997. 39 Robbins, C.R. 1996. Belize Wintering Bird Survey data from netting and point counts, in lit. 40 Miller, B.W., C.M. Miller. 1997. Avian Risk Assessment for Belize, Species at Risk and of Conservation Concern. Report to Programme for Belize/TNC Wings of America Program. 41 Wood, D.S.,R. C. Leberman, and D. Weyer. 1986. Checklist of Birds of Belize. Carnegie Museum of Natural History Special Publication 12. 42 Garcia, J., S. Matola, M. Meadows, and C. Wright. 1994. A Checklist of the Birds of Belize. WWF-US. 35p.
Wildlife Conservation Society
Ministry of Natural Resources' Land Information Centre
01/19/98