• Acanthocephalan Infection in Bears (Parasitic Disease Summary)
• Acanthocephala Infection of Hedgehogs (Parasitic Disease Summary)
• Acanthocephala Infection in Waterfowl (Parasitic Disease)
• Ascaridia (Ascarid) Infection in Waterfowl (Parasitic Disease Summary)
• Avioserpens Infection in Waterfowl (Parasitic Disease)
• Baylisascaris Infection in Bears (Parasitic Disease)
• Capillariasis in Birds (with special reference to Waterfowl) (Parasitic Disease)
• Cestodes in Elephants (Parasitic Disease Summary)
• Cestode Infection in Waterfowl (Parasitic Disease)
• Contracaecum (Ascarid) Infection in Waterfowl (Parasitic Disease Summary)
• Cyathocotyle bushiensis (Intestinal Fluke) Infection in Waterfowl (Parasitic Disease)
• Cysticercosis in Bears (Parasitic Disease Summary)
• Dioctophyme renale Infection in Bears (Parasitic Disease Summary)
• Dirofilaria ursi infection in Bears (Parasitic Disease Summary)
• Echinuriasis (Acuariasis) in Waterfowl (Parasitic Disease)
• Elephant Gastro-Intestinal Nematode Infection (Parasitic Disease Summary)
• Eustrongylides Infection in Waterfowl (Parasitic Disease)
• Eyeworms in Bears (Parasitic Disease Summary)
• Filariasis of Elephants (Parasitic Disease Summary)
• Gapeworm Infection (with special reference to Waterfowl) (Parasitic Disease)
• Gastro-Intestinal Nematode Infection in Bears (Parasitic Disease Summary)
• Gizzard Worm Infection in Waterfowl (Parasitic Disease)
• Gonglyonema pulchrum Infection in Bears (Parasitic Disease Summary)
• Haemorrhagic Filariasis Dermatitis of Elephants (Parasitic Disease Summary)
• Heartworm Infection in Bears (Parasitic Disease Link) 
• Heartworm (Sarconema) Infection in Waterfowl (Parasitic Disease)
• Hedgehog Intestinal Fluke Infection (Disease Summary Page)
• Hedgehog Intestinal Nematode Infection (Disease Summary Page)
• Hedgehog Tapeworm Infection (Disease Summary Page)
• Heterakis (Ascarid) Infection in Waterfowl (Parasitic Disease)
• Hookworm Infection in Bears (Parasitic Disease Summary)
• Hydatid cysts in Elephants (Parasitic Disease Summary)
• Hystrichis tricolor Infection in Waterfowl (Parasitic Disease Summary)
• Intestinal Fluke Infection in Bears (Parasitic Disease Summary)
• Intestinal Fluke Infection in Elephants (Parasitic Disease Summary)
• Intestinal Fluke Infection in Waterfowl (Parasitic Disease)
• Liver Fluke Infection in Elephants (Parasitic Disease Summary)
• Liver Nematode Infection in Elephants (Parasitic Disease Summary)
• Lungworms in Bears (Parasitic Disease Summary)
• Lungworm Infection of Hedgehogs (Parasitic Disease)
• Microfilarial Infection in Waterfowl (Parasitic Disease)
• Ocular Fluke Infection in Waterfowl (Parasitic Disease)
• Ocular Nematode Infection in Waterfowl (Parasitic Disease)
• Hedgehog Nematode (Oesophagus & Stomach) Infection (Parasitic Disease Summary)
• Porrocaecum (Ascarid) Infection in Waterfowl (Parasitic Disease Summary)
• Prosthogonimus (Oviduct Fluke) Infection in Waterfowl (Parasitic Disease)
• Prouterina wescotti Infection in Bears (Parasitic Disease Summary)
• Renal Fluke Infection in Waterfowl (Parasitic Disease Summary)
• Respiratory Nematode Infection in Elephants (Parasitic Disease Summary)
• Schistosomiasis in Waterfowl and Elephants (Parasitic Disease)
• Sparganosis in Bears (Parasitic Disease Summary)
• Sphaeridiotrema globulus (Intestinal Fluke) Infection in Waterfowl (Parasitic Disease)
• Stephanofilarial Dermatitis in Elephants (Parasitic Disease Summary)
• Streptocariasis in Waterfowl (Parasitic Disease)
• Tetrameres (Nematode) Infection in Waterfowl (Parasitic Disease)
• Tracheal Fluke Infection in Waterfowl (Parasitic Disease)
• Trichomoniasis (Flagellate Infection) in Birds (with special reference to Waterfowl) (Parasitic Disease)
• Trichostrongylus Infection (with special reference to Waterfowl and Red Grouse) (Parasitic Disease)

Leeches, Pentastomes & Crustacea

• Leech Infection in Bears (Parasitic Disease Summary)
• Leech Infection in Elephants (Parasitic Disease Summary)
• Leech Infection in Waterfowl (Parasitic Disease)
• Pentastome Infection in Hedgehogs (Parasitic Disease Summary)

Insects, Mites & Ticks

• Air Sac Mite Infection in Waterfowl (Parasitic Disease)
• Audycoptic Mange in Bears (Parasitic Disease)
• Biting-Blood-sucking and Nuisance Flies Affecting Elephants and Bears (Parasitic Disease Summary)
• Bots (Gastric Myiasis) in Elephants (Parasitic Disease Summary)
• Caparinia Mange in Hedgehogs (Parasitic Disease)
• Chiggers (Trombiculiasis) (In Waterfowl, Hedgehogs and Bears) (Parasitic Disease)
• Chorioptic Mange in Hedgehogs and Bears (Parasitic Disease Summary)
• Demodicosis (with special reference to Hedgehogs and Bears) (Parasitic Disease)
• Ear Mites in Elephants (Parasitic Disease Summary)
• Elephant Foot Fly Infection (Parasitic Disease Summary)
• Feather Lice Infection in Waterfowl (Parasitic Disease)
• Feather Mite Infection in Waterfowl (Parasitic Disease)
• Flea Infection in Mammals (with special reference to Hedgehogs, Bears and a note on Elephants) Parasitic Disease)
• Fowl Tick Infection in Waterfowl (Parasitic Disease)
• Hippoboscids on Elephants (Parasitic Disease Summary)
• Lice Infection (Disease Link Page)
• Lice Infection in Elephants (Parasitic Disease Summary) Lice Infection in Elephants (Parasitic Disease Summary)
• Myiasis (with special reference to Waterfowl, Hedgehogs, Elephants and Bears) (Parasitic Disease)
• Nasal Mite Infection in Waterfowl (Parasitic Disease Summary)
• Notoedres Mange in Hedgehogs (Parasitic Disease)
• Old World Screw-worms in Elephants (Parasitic Disease Summary)
• Otodectes cynotis Ear Mite Infection in Hedgehogs (Parasitic Disease Summary)
•  Sarcoptic mange (with special reference to Hedgehogs)(Disease Link Page)
• Simulium Infection in Waterfowl (Parasitic Disease)
• Skin Warbles in Elephants (Parasitic Disease Summary)
• Subcutaneous Mite Infection in Waterfowl (Parasitic Disease)
• Tick Infection (with special reference to Hedgehogs, Elephants and Bears) (Parasitic Disease)

Single-celled - Protozoa

• Avian Malaria in Waterfowl (Parasitic Disease)
• Babesia Infection (Piroplasmosis) in Elephants and Bears (Parasitic Disease Summary)
• Chagas' Disease in Hedgehogs and Bears (Parasitic Disease Link)
• Chylomastix gallinarum (Flagellate) Infection in Waterfowl (Parasitic Disease)
• Cryptosporidiosis in Mammals (with special reference to Hedgehogs, Elephants and Bears) (Parasitic Disease Link)
• Cryptosporidiosis in Waterfowl (Parasitic Disease)
• Giardia Infection in Mammals (with special reference to Hedgehogs) (Parasitic Disease Link)
• Haemoproteus Infection in Waterfowl (Parasitic Disease)
• Hepatozoon Infection in Bears (Parasitic Disease Summary)
• Intestinal Coccidiosis in Hedgehogs (with notes on Bears) (Parasitic Disease)
• Intestinal Coccidiosis in Waterfowl (Parasitic Disease)
• Leucocytozoonosis in Waterfowl (Parasitic Disease)
• Renal Coccidiosis in Waterfowl (Parasitic Disease)
• Sarcocystosis in Waterfowl and Bears (Parasitic Disease)
• Toxoplasmosis in Waterfowl (with notes on Hedgehogs, Elephants and Bears) (Parasitic Disease)
• Trichinella Infection in Hedgehogs and Bears (Parasitic Disease)  
• Trichomoniasis (Flagellate Infection) in Birds (with special reference to Waterfowl) (Parasitic Disease)
• Trypanosomiasis in Elephants (Parasitic Disease Summary)
• Trypanosomiasis in Waterfowl (Parasitic Disease)