the yellow-headed blackbird has a wide range throughout north america. this medium-sized passerine bird is mainly found in marshes, where they construct their nests on vegetation within the marsh. they feed mainly by catching insects in flight, as well as seeds of wetland plants.
the blackburnian warbler is a small member of the warbler family with a distinct yellow and orange head and neck. the blackburnian warbler is found from southern canada to the upper eastern portion of the united states. they have a wintering range in central & south america. they feed primarily on insects; one study found them to make up 98% of the blackburnian warbler’s diet.