On adjacent days I watched two rather different mammals graze: marmot and elk. The two occupy different habitats and differ in weight by a factor of a hundred, but for each, grass is a staple of its diet.
A Yellow-bellied Marmot eats grass during the day along the edge of its home in a field of rocks.
An Elk eats grass during the evening in an open field.
Each deserves a portrait set in its favoured habitat. First the marmot,
then the elk.
Love them!