Northern Sooty Woodpecker

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Nest Tree and Cavity A pair of northern sooty woodpecker was found taking turns excavating a cavity in the trunk of a Kupang Parkia timoriana (DC.) Merr. snag on 23 February 2022. The nest tree was situated at a forest edge surrounded by several large-girthed trees (≈ 2.5 - 4.0 m) and was approximately 5 m from a road. The nest tree has a girth at breast height of 181 cm. The cavity was excavated 16.4 m from the ground with a girth at nest height of 109 cm. The cavity entrance (Fig. 1 a) had opening dimensions (L x W) of 9.0 x 8.0 cm; horizontal depth (measured from the opening rim to the wall of the cavity) of 18 cm; vertical depth (measured from the ceiling to the cavity floor) of 44 cm; and depth (measured from the opening rim to the cavity floor) of 37 cm. Aside from fine wood chips and several down feathers, no other materials were found lining the nest (Fig. 1 b).