Description of Streptococcus constellatus. Streptococcus constellatus: A species of gram-positive bacteria in the STREPTOCOCCUS MILLERI GROUP. It is commonly found in the oropharnyx flora and has a proclivity for abscess formation in the upper body and respiratory tract. Source: MeSH 2007.
1 Bat - Giant bats are present among the horde of the White Witch at the sacrifice of Aslan (LWW).  Bear - Talking bears are large, gentle, childlike creatures. A bear is traditionally one of the Marshals of the Lists. They are depicted as strong but gentle creatures, who pass their time napping and eating honey.
His Name is Crookshanks and is Part kneazle, part cat. Kneazles are catlike creatures that are highly intelligent and can sense bad people (PoA - his chasing scabbers a.k.a Peter Pettigrew.) Also, Mrs Figg, the squib who lives in Privet Drive, breeds kneazles and cats. Shorty.