Info

Breeding area Source

Male Female

374 24 646 23 Campbell (1959)

378 36 576 14 von Haartman (1960)

256 28 327 15 Sokolov (2001)

55 60 105 19 Nolan (1978)

134 50 48 19 Holmes & Sherry

51 53 110 31 Berger & Radabaugh

49 39 50 36 Holmes & Sherry

18 50 59 20 Walkinshaw (1953)

174 52 195 43 Howlett & Stutchbury

142 69 138 54 Murphy (1996)

Willow Flycatcher Empidonax

Oregon (5 km long)

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