 In association with its non-migratory behavior, and its tendency to be found at a wide range of elevations, the Rufous-collared sparrow experiences significant fluctuations in temperature throughout its range each year.Strategies used to acclimate to changing seasonal temperatures include limiting the amount of evaporative water loss (EWL) and increasing metabolic rate.Total evaporative water loss (TEWL) increases during summer months, which may help prevent overheating, and remains lower during winter months.