Are deer herbivores

Answer 1

Yes, deers are herbivores.

Specifically, herbivores feed on plants. The description fits deers, who prefer to be nocturnal feeders of herbaceous, shrub and tree body parts. They may be seen feeding during the day because of habitat loss and population pressure getting in the way of adequate night-time feedings.
Yes they are.

Answer 2

Yes, they are.

Answer 3

Yes