Mementos for http://www.si.edu/Encyclopedia_SI/nmnh/passpig.htm around 2011-04-29: http://mementoweb.org/list/20110429094352/http://www.si.edu/Encyclopedia

https://web.archive.org/web/20110429094352/http://www.si.edu/encyclopedia_Si/nmnh/passpig.htm

29 Apr 2011 09:43:52 GMT [ <1 hour from requested date ]

Previous Memento 14 Mar 2011 07:44:06 GMT [ −46 days ]	Next Memento 17 May 2011 06:27:19 GMT [ +17 days ]
First Memento 05 Apr 2007 17:14:17 GMT [ −4 years 24 days ]	Last Memento 09 Nov 2024 00:50:13 GMT [ +13 years 197 days ]

http://wayback.archive-it.org/all/20110429094352/http://www.si.edu/encyclopedia_Si/nmnh/passpig.htm

29 Apr 2011 09:43:52 GMT [ <1 hour from requested date ]

Previous Memento 09 Jun 2010 20:46:18 GMT [ −323 days ]	Next Memento 10 Oct 2012 00:07:21 GMT [ +1 year 164 days ]
First Memento data not provided	Last Memento 10 Apr 2019 19:15:53 GMT [ +7 years 348 days ]

http://archive.md/20120529014038/http://www.si.edu/Encyclopedia_SI/nmnh/passpig.htm

29 May 2012 01:40:38 GMT [ +1 year 30 days from requested date ]

Previous Memento data not provided	Next Memento data not provided
First Memento data not provided	Last Memento data not provided

https://arquivo.pt/wayback/20091015103919mp_/http://www.si.edu/Encyclopedia_SI/nmnh/passpig.htm

15 Oct 2009 10:39:19 GMT [ −1 year 195 days from requested date ]

Previous Memento data not provided	Next Memento data not provided
First Memento data not provided	Last Memento data not provided