i document irruptive movements of the Chestnut-backed Chickadee to lucky Peak in southwestern idaho, over 80 km from its regular range. Chestnutbacked Chickadees were captured and/or observed at lucky Peak in 2000, 2004, and 2008. To evaluate the context for this phenomenon, i also examined data on capture of all chickadees and other irruptive species at lucky Peak and numbers of irruptive spec...

Cephalexin is an important antibiotic. It is very significant to determine an appropriate method for the extraction of this valuable antibiotic for industrial applications. Aiming at developing an efficient method for the extraction of cephalexin, the partitioning of cephalexin has been evaluated in aqueous two-phase system, including cholinium chloride and potassium phosphate. The effect of th...