The Hispaniolan solenodon injects toxic saliva into its prey through grooves in its lower incisor teeth.
Notes on verification
Confirmed by peer-reviewed PNAS study, Wikipedia, and independent academic/educational sources describing the same venom-delivery mechanism via grooved lower incisors.
Sources
- Unravelling the venomous bite of an endangered mammal | ScienceDaily (sciencedaily.com)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6926037/ (ncbi.nlm.nih.gov)
- https://zoonomiaproject.org/field_study/solenodon/ (zoonomiaproject.org)