SIZE

B I R D - T Y P E

P - 6.0mm

Merlin(M), Sparrowhawk(M).

R - 7.1mm

Merlin(F), Hobby(M), Little Owl, Hen Harrier(M), Sparrow-hawk(F), American Kestrel.

S - 7.6mm

Montagues Harrier, Scops Owl, Hobby(F), Kestrel.

T - 8.7mm

Burrowing Owl.

U - 9.5mm

Hen Harrier(F), Marsh Harrier, Coopers Hawk(M), Barn Owl, Tawny Owl, Short-Eared Owl.

V - 11.0mm

Goshawk(M), Honey Buzzard, Barbary Falcon(M), Coopers Hawk(F), Peregrine Falcon(M), Red-Shouldered Hawk(M).

W - 12.7mm

Goshawk(F), Peregrine Falcon(F), Common Buzzard, Rough-Legged Buzzard, Gyr Falcon(M), Lanner, Lugger, Red Kite, Barbary Falcon(F), Harris Hawk, Prairie Falcon, Red-Shouldered Hawk(F), Saker Falcon, Swainson's Hawk, Caracara(Mexican Eagle).

X - 14.3mm

Red-Tailed Buzzard(M), Gyr Falcon(F), Ferruginous Hawk(M).

Y - 15.8mm

Red-Tailed Buzzard(F), Ferruginous Hawk(F), Osprey, Bengal Eagle Owl, Snowy Owl.

Z - 19.0mm

European Eagle Owl.