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Debby, the polar bear, an inhabitant of the Assiniboine Park Zoo in Winnipeg, Canada, was the oldest polar bear and third-oldest bear species on record when she died in 2008, at the age of 42. [133] The oldest recorded bat, a Siberian bat [134] (previously identified as a Brandt's bat), was at least 41 years old at the time of capture. [135]
Unlike the vast majority of lizards, the tuatara has a complete lower temporal bar closing the lower temporal fenestra (an opening of the skull behind the eye socket), caused by the fusion of the quadrate/quadratojugal (which are fused into a single element in adult tuatara) and the jugal bones of the skull.
Jonathan (hatched c. 1832) [2] [3] is a Seychelles giant tortoise (Aldabrachelys gigantea hololissa), a subspecies of the Aldabra giant tortoise (Aldabrachelys gigantea).His approximate age is estimated to be 192 as of 2025, making him the oldest known living land animal.
In Australia, it coexisted with the even larger monitor species Varanus priscus also known as megalania, the largest terrestrial lizard ever. [22] The oldest records of the Komodo dragon on Flores date to around 1.4 million years ago, during the Early Pleistocene. [23]
Their closest living relatives are lizards and snakes in the order Squamata, with the two orders being grouped together in the superorder Lepidosauria. Once representing the world's dominant group of small reptiles, many of the niches occupied by lizards today were held by rhynchocephalians during the Triassic and Jurassic.
Hylonomus (/ h aɪ ˈ l ɒ n əm ə s /; hylo-"forest" + nomos "dweller") [2] is an extinct genus of reptile that lived during the Bashkirian stage of the Late Carboniferous.It is the earliest known crown group amniote and the oldest known unquestionable reptile, with the only known species being Hylonomus lyelli.
Adwaita (from अद्वैत, meaning "one and only" in Sanskrit) (c. 1750 – 22 March 2006), also spelled Adwaitya [1] [2] or Addwaita, [3] was a male Aldabra giant tortoise that lived in the Alipore Zoological Gardens of Kolkata, India.
The perentie is the largest lizard Australia, and also one of the biggest lizards in the world. The perentie (Varanus giganteus) is by average length and weight the largest extant lizard native to Australia and fifth or fourth-biggest lizard in the world after Komodo dragon, Asian water monitor, crocodile monitor and competes with Nile monitor. [1]