Feeding Behavior

During the breeding season, often forages by flying out from the treetops to catch insects in mid-air. Also searches among branches and twigs and hovers briefly while picking insects from foliage, spending most of its time in the tops of the taller pine trees.

Eggs

3-4. Creamy white, spotted with browns around larger end. Details and timing of incubation are not well known. Young: Nestlings are fed by female, probably by male as well. Age at which young leave the nest is not well known. Normally 2 broods per year.

Young

Nestlings are fed by female, probably by male as well. Age at which young leave the nest is not well known. Normally 2 broods per year.

Diet

Presumably mostly insects. Details of diet are not well known; undoubtedly eats mostly insects, like other warblers.

Nesting

Details of breeding behavior are not well known. In the Southwest, arrives on breeding grounds mostly in early April. Males defend nesting territories by singing. Nest: Placed on a horizontal branch or in the top crown of tree, usually pine, sometimes fir, 20-60' above the ground. Nest (built by female) is a tightly constructed open cup made of plant fibers, oak catkins, plant down, and webs of spiders and caterpillars; lined with animal hair and feathers. Nest is often well hidden among a cluster of pine needles.