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Variations In Plumage Wear In Three Closely Related Tidal Marsh Sparrow Species, Maeve Studholme
Variations In Plumage Wear In Three Closely Related Tidal Marsh Sparrow Species, Maeve Studholme
Honors College
Tidal marsh sparrow species like Saltmarsh Sparrows (Ammospiza caudacuta), Nelson’s Sparrows (Ammospiza nelsoni) and Seaside Sparrows (Ammospiza maritima) are particularly vulnerable to the environmental stressors related to climate change and human activity like sea-level rise, warming temperatures, and increased coastal development, as they nest in the grasses of tidal marsh ecosystems where the principal mode of nest mortality is flooding. With increased sea-level rise, these species may not be equipped to adapt to changing tidal cycles, and thus have reduced fitness and population sizes. Saltmarsh Sparrows are experiencing sharp declines in population, so it is more vital than ever to …