 By contrast, ASL in the Andes of Pichincha Province (Ecuador), eggs were being incubated in December, and nest-building activity recorded in March and April, suggesting extended breeding throughout the wet season.The open cup nest consists of plant material lined with fine grasses.It is constructed in matted vegetation on the ground, low in a tree or bush, or in a niche in a wall, perhaps high at best but usually less than above ground.