The Chestnut-collared Longspur (Calcarius ornatus; CCLO) is a grassland bird that winters in shortgrass prairies and desert grasslands of the South-Central and Southwest United States and the Chihuahuan Grasslands of North Central Mexico. This species feeds on native grass seeds in high-density flocks, uses cattle water tanks as its primary water source, and prefers areas recently burned, grazed, or mowed. Generally, grassland bird species’ populations have been declining since 1970 due to a decrease in suitable grassland habitats. Land use practices such as agricultural development, paired with competition from invasive grass species, such as Lehmann’s lovegrass (Eragrostis lehmanniana), are the largest drivers of grassland [...]