Table 1. Abundance and breeding status of the 135 avian species recorded in 
the Marlborough Forest. 
(A) Status of abundance. 
* Regionally Significant (OMNR, 1984) 
** Provincially and regionally significant (OMNR, 1984) 
R Listed as rare by the Committee on the Status of Endangered Wildlife in 
Canada (COSEWIC, 1989) 
T Listed as threatened by COSEWIC, 1989 
+ +First record of occurrence in Marlborough Forest 
+ Updated breeding status in Marlborough Forest 
(B) Abundance in the Marlborough Forest during 1988 inventory, expressed 
as the number of observations/number of surveys x 100. 
VC = very common : 75% 
C = common: 50-75% 
U = uncommon: 10-50% 
R = rare: less than 10 % 
(C) Breeding status indicated as specified by Cadman et. al. (1987) 
Co = confirmed 
Pr = probable 
Po = passible 
(A) 
(B) 
(C) 
(A) 
(B) 
(C) 
“Pied-billed Grebe 
R 
Co 
American Kestrel 
U 
Co 
Great Blue Heron 
C 
Co 
Ruffed Grouse 
VC 
Co 
‘Green-backed Heron 
R 
Co 
Gray Partridge 
R 
Po 
“Least Bittern (R) 
R 
Pr 
‘Virginia Rail 
R 
Co 
American Bittern 
R 
Co 
Sora 
R 
Pr 
+ +Canada Goose 
R 
Co 
“Yellow Rail 
R 
Co 
Mallard 
U 
Co 
Common Moorhen 
R 
Pr 
American Black Duck 
R 
Pr 
Killdeer 
U 
Co 
*‘Northern Pintail 
R 
Pr 
Upland Sandpiper 
R 
Pr 
‘Green-winged Teal 
R 
Pr 
+Spotted Sandpiper 
R 
Co 
Blue-winged Teal 
R 
Co 
Wilson’s Phalarope 
R 
Pr 
Wood Duck 
U 
Co 
+American Woodcock 
C 
Co 
Hooded Merganser 
R 
Po 
Common Snipe 
C 
Co 
Turkey Vulture 
R 
Pr 
“Black Tern 
R 
Co 
Northern Goshawk 
R 
Po 
Rock Dove 
R 
Co 
Sharp-shinned Hawk 
R 
Pr 
Mourning Dove 
U 
Co 
Cooper’s Hawk (R) 
R 
Po 
Black-billed Cuckoo 
R 
Pr 
Red-tailed Hawk 
U 
Co 
Great Horned Owl 
C 
Co 
“Red-shouldered Hawk (R) R 
Pr 
Barred Owl 
R 
Pr 
Broad-winged Hawk 
R 
Co 
Long-eared Owl 
R 
Pr 
“Northern Harrier 
U 
Pr 
“Short-eared Owl 
R 
Po 
‘Merlin 
R 
- 
*Saw-whet Owl 
R 
Pr 
12 
