They are all external parasites on every species of bird and most mammalian orders.

Dogs may be bathed with various Piper species to remove external parasites.

A number of internal and external parasites have been detected in this species.

Numerous internal and external parasites have been documented from this species (see List).

Veterinary parasitology studies both external and internal parasites in animals.

They are generally not subject to external parasites, other than ticks in coastal areas.

Some species use cleaner fish to remove external parasites.

They then nibble at any external parasites that may be attached to the fish.

In the Philippines, the extract obtained from its leaves is used to remove external parasites.

Of course this is very convenient for me but I would like to know if she could have a natural resistance to external parasites.