LL Wolf 1963 Aimophila ruticraps. July 20 Tried to collect pair, but unsuccessful. July 21 9 mi. E. Santa Lucia, Sinaloa, Mexico El Batel. habitat heard several singing birds - all on relatively bare pine-oak hillsides. Cattle + goats graze throughout area keeping ground vegetation low. July 31 9.5 mi. N. Ixtlahuacan del Rio, Jalisco, Mexico habitat spacing In oak-juniper woodland with good herb + grass layer. Saw 2 pair at about 88-100 yards apart. One pair flushed from ground as a pair. ? had enlarged cloacal protuberance. Generally in openings in woodland where grass + weeds were 4-8 inches tall + thick. foraging One bird watched foraging hopped along on ground pecking at ground or around bases of plants. Would occasionally hops flutter 8-12 inches into air + pick insect(?) from plant. Once apparently caught one stuck in spider web. Covered an area of about 75 square feet in 1-2 minutes. habitat Song here sounds very similar to birds in New Mexico + John says "dear, dear" does also. Ground here is bare of rocks which makes habitat much different from rocky hillsides of A. r. scotti.