LLWSlf 1964 29 Aimophila botteri July 10 7mi NW Port Isabel, Cameron Co, Texas Dick collected a or + found nest SE of airport ~ 1 mile. nest + egg measurements on previous page. Also collected 2 Cassin's Sparrows + saws group of young. Cassin's seemed to be on N side of road where a bit more cactus + more yucca appearing on south side. nest of Botteri- raised slightly off ground on W side of ridge - succulent provided shade to E+S, so nest "opened" to NW. Suspended in small bush ~ 12" high. (see specimen). Ridge was mound of dirt about 6-7' above ground level - thrown up as debris from water channel. Not sure of habitat separation between two species of Aimophila here, but seems to be good breeding season difference.