Cactus WrenCactus Wren, perched on Agave flowerCactus WrenCactus Wren, carrying nest materialCactus Wren nest, burried in cholla cactusCactus Wren atop Saguaro cactusCactus WrenCactus WrenCactus Wren atop Saguaro cactus, with insectCactus Wren atop Cholla cactusCactus Wren atop Saguaro cactusCactus Wren atop Saguaro cactusCactus Wren, singing atop dry Agave flowerCactus WrenCactus Wren, singing atop dry Agave flowerCactus Wren, atop dry Agave flowerCactus Wren, carrying nest material