The longest duck call measured 1.43 m (56.3 in) and was made by Damen Hillery and Mark Hillery (both USA) in Danville, Illinois, USA, and was measured on 30 October 2013. The duck call constructed by Damen and Mark replicates the call of a mallard hen.
The longest duration full-body burn without oxygen is 5 minutes 41 seconds, achieved by Josef Tödtling (Austria) at Salzburg Fire Department in Salzburg, Austria, on 23 November 2013.
The longest duration blowing a continuous fire-flame is 9.968 seconds and was achieved by Fredrik Karlsson (Sweden) at Palatset in Stockholm, Sweden, on 19 November 2011.
The longest duration balancing on four fingers is 19.23 sec and was achieved by Wang Weibao (China) on the set of Zheng Da Zong Yi – Guinness World Records Special in Beijing, China, on 9 November 2008.
The longest duration balancing a tyre on the teeth is 31 seconds and was achieved by Frank Simon (USA) on the set of Zheng Da Zong Yi – Guinness World Records Special in Beijing, China, on 21 June 2009. The tyre must weigh at least 50 kg (110 lb).
The longest duration balancing a pool cue on one finger was 4 hr 7 min and was achieved by Ashrita Furman (USA) at the Panorama Cafe, Jamaica, New York, USA, on 18 November 2009. The index finger was used to balance the cue. The pool cue used for the attempt weighed 500 grams (1.1 lbs).
The longest duration balancing a lawnmower on the chin (not powered) is 5 minutes and 1 second, achieved by Ashrita Furman (USA) in New York, New York, USA, on 4 October 2013.
The longest duration holding a 20 kg weight with outstretched arms is 1 min 26.14 sec and was achieved by Patrik Baboumian (Germany) on the set of Guinness World Records – Wir Holen Den Rekord Nach Deutschland, in Europa Park, Rust, Germany, on 17 July 2012.
Kanchana Ketkaew (Thailand), lived in a glass room measuring 12 m² (130 ft²) containing 5,320 scorpions for 33 days and nights at the Royal Garden Plaza, Pattaya, Thailand, from 22 December 2008 to 24 January 2009. Over the 33 days, she was stung thirteen times.
The longest continual lip trill was held for 80 seconds by Robert Uomini (USA) in Kensington, California, USA, on 10 August 2001.