AVERAGE MONTHLY ABUNDANCE BY SPECIES 
 OF BIRDS ON THE BEAR RIVER REFUGE 
 
 
 * INDICATES THOSE SPECIES THAT NEST ON REFUGE. 
 
 * EARED 
 GREBE 
 
 * BLACK 
 CROWNED 
 NIGHT 
 HERON 
 
 * SNOWY 
 EGRET 
 
 2800 
 
 * PIED 
 BILLED 
 GREBE 
 
 1800 
 
 5000 
 
 WHITE 
 
 PELICAN 
 
 WHISTLING 
 
 SWAN 
 
 * CANADA 
 GOOSE 
 
 * GREAT 
 BLUE 
 HERON 
 
 SNOW 
 
 GOOSE 
 
* MALLARD 
 
 * SHOVELER 
 
 *PINTAIL 
 
 180000 
 
 CANVASBACK 
 
 * GREEN 
 WINGED 
 TEAL 
 
 120000 
 
 LESSER 
 
 SCAUP 
 
 12000 
 
 * CINNAMON 
 TEAL 
 
 AMERICAN 
 
 WIDGEON 
 
 BUFFLEHEAD 
 
 750 
 
 * RUDDY 
 DUCK 
 
 20000 
 
190 
 
 730 
 
 C0M10N 
 
 MERGANSER 
 
 * RING 
 NECKED 
 PHEASANT 
 
 —1-1-1-1-1-1_L_1_1 _L 
 
 JFMAMJJASO 
 
 — » « 
 N D 
 
 RED 
 
 BKESTED 
 
 MERGANSER 
 
 ROUGH 
 
 LEGGED 
 
 HALK 
 
 16 
 
 GOLDEN 
 
 EAGLE 
 
 * KILLDEER 
 
 BALD 
 
 EAGLE 
 
 33 
 
 12 
 
 * MARSH 
 HANK 
 
 26 
 
 * SHORT 
 EARED 
 OWL 
 
 * SPOTTED 
 SANDPIPER 
 
690 10000 
 
 840 16000 
 
 460C 21000 
 
« # 
 
 21 
 
 CASPIAN 
 
 TERN 
 
 * BLACK 
 TERN 
 
 * MOURNING 
 DOVE 
 
 BANK 
 
 SWALLOW 
 
 ROUGH 
 
 WINGED 
 
 SWALLOW 
 
 * BARN 
 SWALLOW 
 
 * EASTERN 
 KINGBIRD 
 
 70 
 
 2100 
 
 * WESTERN 
 KINGBIRD 
 
 * CLIFF 
 SWALLOW 
 
 140 
 
 * HORNED 
 LARK 
 
 TREE 
 
 SWALLOW 
 
 1800 
 
 * LONG 
 BILLED 
 MARSH 
 WREN h 
 
 =sl_1_ i t i t t i _L 
 
 TT 
 
« I 
 
 .WATER 
 
 PIPIT 
 
 STARLING 
 
 * BROWN 
 HEADED 
 COWBIRD 
 
 AMERICAN 
 
 GOLDFINCH 
 
 620 
 
 * AUDUBON'S 
 -WARBLER 
 
 * SAVANNAH 
 SPARROW 
 
 * WESTERN 
 MEADOWLARK 
 
 160 
 
 * VESPER 
 SPARROW 
 
 OREGON 
 
 JUNCO 
 
 * RED 
 WINGED 
 BLACKBIRD 
 
 * SONG 
 SPARROW