Historical Examples. 1  The tympanic ring has been held to be the equivalent of the quadrate. 2  Inflation of the tympanic bullae is thought to be a specialization. 3  The tympanic and periotic are not fused together, and the periotic has generally no bony union with the rest of the skull.
The world's largest bunny has reclaimed his title, after downing an increased diet of vegetables to tip the scales at nearly 25 kilograms. Ralph, a four-year-old Continental Giant rabbit from Sussex, has been named the world's largest bunny by Guinness World Records - a title which he also held in 2010 until a rabbit named Darius, of the same breed, outweighed him. Ralph comes from a long line of record-holders.
The Arctic hare is one of the largest living lagomorphs. On average, this species measures from 43 to 70 cm (17 to 28 in) long, not counting a tail length of 4.5â10 cm (1.8â3.9 in). The body mass of this species is typically between 2.5â5.5 kg (6â12 lb), though large individuals can weigh up to 7 kg (15 lb).