The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Web wide crawl with initial seedlist and crawler configuration from August 2013.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20130915075059/http://www.birdlife.org/zoom.html?desc=images/photos/as_id_20c_14.html&width=400&caption=Field+surveys+of+key+habitats+for+birds+and+biodiversity+are+a+major+foundation+of+BirdLife%27s+work.
M K Poulsen/BirdLife Field surveys of key habitats for birds and biodiversity are a major foundation of BirdLife's work.
All photos are copyrighted by BirdLife and/or its contributing
photographers and may not be reproduced or exploited in any fashion without
permission from BirdLife. Where specific permission for media use has been
given, please use the appropriate credit.