Barks in the night lead to the discovery of new species

A new study, co-authored by Yale's Eric Sargis, finds barking hyraxes — small, herbivorous mammals — to be a separate species from their shrieking neighbors.

A new study, co-authored by Yale's Eric Sargis, finds barking hyraxes — small, herbivorous mammals — to be a separate species from their shrieking neighbors.