Blue Mockingbird Melanotis caerulescens
Version: 1.0 — Published December 24, 2014
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Breeding on the mainland is reported from April-July (Selander and Giller 1959, Schaldach 1963, Rowley 1966, 1984, Binford 1989). The breeding season on the Tres Marías Islands is shifted later, from June-August (Grant 1966).
The nest is a cup, "loosely made, composed of coarse sticks exteriorly, and lined with fine rootlets" (Rowley 1966), in a shrub or tree 1.2-2.4 m above the ground (n = 7; Rowley 1966, 1984). The clutch is two; the eggs are turquoise blue and unmarked, with mean dimensions of 28.7 x 20.1 mm (n = 13; Rowley 1984). There is no information on the length of incubation or of the nestling period, nor on the number of broods per season.