Phylogeny Programs
Bay Area Biosystematists
Society of Systematic Biologists
UC Berkeley Bioscience Library
http://www.nmnh.si.edu/msw/ Tree of the mammals of the world, with info.
http://tolweb.org/tree/phylogeny.html The tree of life project
http://www.eti.uva.nl/Database/Database.html The World Biodiversity Database
http://www.inbio.ac.cr/es/default.html The INBIO project in Costa Rica
http://www.itis.usda.gov/ The Integrated Taxonomic Information System from the USGS Biological Informatics Program
http://www.herper.com It speaks for itself
http://www.gwu.edu/~clade/spiders/peet.htm
MaNIS: http://manis.mvz.berkeley.edu/pres/PresentationServlet?action=home
A one-stop site for searching multiple museums' mammal collections. It will have a map interface this fall.
The MVZ's own search interface (http://elib.cs.berkeley.edu/mvz/) sometimes provides the ability to map specimen collection localities:
http://insects.ummz.lsa.umich.edu/ACARI/pklimov/VK/index.html
http://www.lifemapper.org/
http://www.lifemapper.org/desktopgarp/
Animal Diversity Web: http://animaldiversity.ummz.umich.edu/site/index.html
Digimorph.org: http://www.digimorph.org/
Primate Info Net http://www.primate.wisc.edu/pin/search.php
IPBIR - Integrated Primate Biomaterials and Information Resource http://www.ipbir.org/index.html
http://homepages.caverock.net.nz/~bj/fern/ A ± comprehensive list of all fern species of the world, frequently with distribution info, bibliographic info, synonymy, etc.
http://www.ipni.org The international plant names index, lists date and place of publication for all plant names.
http://www.mobot.org Missouri Botanical garden website, the TROPICOS search engine is similar to that of www.ipni.org, but has a bit more flexibility and interesting options. Other good resources on the mobot site.
http://www.anbg.gov.au/projects/fern/ A nice (but not yet fully operational) model for a botanical database on-line with keys, specimen data, flora descriptions, and much more.
Deep Hyphae - http://ocid.nacse.org/research/deephyphae/
Bruns lab webpage - http://plantbio.berkeley.edu/~bruns/
Tree base search page - http://www.treebase.org/treebase/console.html
Arnold Arboretum Living Collections -http://rbg-web2.rbge.org.uk/forms/multisite2.html?first=6
Cam Webb's site - http://www.phylodiversity.net/cwebb/
UCMP Phylogenetics Software Page -http://www.ucmp.berkeley.edu/subway/phylo/phylosoft.html
http://elib.cs.berkeley.edu/mvz/
http://www.mbr-pwrc.usgs.gov/id/framlst/infocenter.html
http://www.birds.cornell.edu/programs/AllAboutBirds/BirdGuide/
http://www.aou.org/aou/birdlist.html
http://tolweb.org/tree?group=Neornithes&contgroup=Aves
http://www.ucmp.berkeley.edu/help/taxaform.html
http://www.nhm.ac.uk/
www.embl-heidelberg.de/~uetz/LivingReptiles.html
http://animaldiversity.ummz.umich.edu/site/index.html
http://www.calacademy.org/research/herpetology/Comb_Coll_Index/
http://elib.cs.berkeley.edu/aw/
www.snomnh.ou.edu/personnel/herpetology/vitt/Cerrado/Jalapao.html
Land plants online: http://www.science.siu.edu/landplants/index.html
How to ID important features of flowering plants: http://www.biologie.uni-hamburg.de/b-online/e02/02.htm
Life on Earth: http://tolweb.org/tree?group=Life_on_Earth&contgroup=
Angiosperm Phylogeny Website: http://www.mobot.org/MOBOT/Research/APweb/welcome.html
World Wide Flowering Plant Identification Key: http://www.colby.edu/info.tech/BI211/PlantFamilyID.html
http://alpha.furman.edu/~snyder/snyder/lep/identi.htm
http://www.nhm.ac.uk/entomology/lepindex/
http://www.leps.it/index.htm
http://plant.cdfa.ca.gov/noctuid/
http://www.habitas.org.uk/moths/index.html
Updated lists of currently accepted names, synonymies, etc.: http://research.amnh.org/entomology/spiders/catalog/INTRO1.html
Interactive spider keys: http://www.gwu.edu/~spiders/keys.htm
Database of bird sounds in Cornell University's Macaulay Library of Natural Sounds (largest collection of natural sounds in the world) http://www.birds.cornell.edu/lns/howto/howto_index.html