The largest bicycle bell ensemble was organized by Professor Jörg Kärger and consisted of 503 participants playing German Folk Songs and hymns at the University of Leipzig, Germany, on 23 November 2003.
The largest bird that ever lived is the elephant bird or vouron patra (Aepyornis maximus) which became extinct about 1,000 years ago (although sightings were reported as late as 1658). This flightless bird from the island of Madagascar grew to around 3-3.3 m (10-11 ft) tall and weighed about 1,100 pounds. Only the Moas from New Zealand were taller than the Elephant bird (some reached thirteen feet) but they were not so massively built. The Elephant bird’s eggs were larger than those of any dinosaur, and
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The greatest number of species spotted in a 24 hour period is 342 by Terry Stevenson (Kenya), John Fanshawe (Kenya) and Andy Roberts (Kenya) on day two of the Birdwatch Kenya 86 event held on 29–30 Nov 1986
The largest bird nest box is 1.5 m (4 ft 11 in) in width and length and 2.72 m (8 ft 11 in) in height, and was achieved by Diane Martens (Germany), when measured outside Martens Spezialmixshop, Brettorf, Germany, on 15 May 2014.
The largest biscuit measured 754 m² (8,120 ft²) and was made by the Immaculate Baking Company (USA) in Flat Rock, North Carolina, USA on 17 May 2003. The chocolate chip cookie weighed 18 tonnes (40,000 lb) and had a diameter of 30.7 m (101 ft).
The largest biryani dish weighed 14.060 tonnes (30,996 lb) and was prepared by Kohinoor Foods Ltd. (India) in Delhi, India, on 1 March 2008.
The largest bird’s nest was built by a pair of bald eagles (Haliaeetus leucocephalus), and possibly their successors, near St Petersburg, Florida, USA and measured 2.9 m (9 ft 6 in) wide and 6 m (20 ft) deep. It was examined in 1963 and was estimated to weigh more than two tonnes (4,409 lb). The incubation mounds built by the mallee fowl (Leipoa ocellata) of Australia measure up to 4.57 m (15 ft) in height and 10.6 m (35 ft) across, and it has been
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A bladder stone weighing 1.9 kg (4 lb 2.88 oz) and measuring 17.9 cm (7 in) long, 12.7 cm (5 in) thick and 9.55 (3.7 in) tall, was removed from José de Castro da Silva (aged 62) at the Instituto do Câncer “Arnaldo Vieira de Carvalho”, São Paulo City, Brazil on 25 August 2003.
The largest black opal weighs 11,340.95 carats (2,268.19 grams; 80 oz) and measures 2,450 x 1,460 x 527 mm (96.45 x 57.48 x 20.74 in). It is owned by Dallas, Judith, Shannon, Jeffery and Ken Westbrook (all Australia). The black opal was found in Lightning Ridge, New South Wales, Australia.
The largest Black Forest gateau weighed 2,963 kg (6,532 lb) and was made by the patissier Hans-Dieter Busch of the K & U Bakery (K & U Bäckerei GmbH) and displayed at the ice skating arena of Europa-Park, in Rust, Germany, on 16 July 2006.