http://tags.library.upenn.edu/tag/penntags+birds PennTags Feed http://tags.library.upenn.edu/makerecord/url/6402 http://tags.library.upenn.edu/makerecord/url/6402 All photos on Flickr tagged avocet.<br /> http://tags.library.upenn.edu/makerecord/url/6395 http://tags.library.upenn.edu/makerecord/url/6395 USGS site that aids in identification.&nbsp; Picture gallery, descriptions, habitat, etc...<br />