This tree diagram shows the relationships between several groups of organisms.
The root of the current tree connects the organisms featured in this tree to their containing group and the rest of the Tree of Life. The basal branching point in the tree represents the ancestor of the other groups in the tree. This ancestor diversified over time into several descendent subgroups, which are represented as internal nodes and terminal taxa to the right.
You can click on the root to travel down the Tree of Life all the way to the root of all Life, and you can click on the names of descendent subgroups to travel up the Tree of Life all the way to individual species.
For more information on ToL tree formatting, please see Interpreting the Tree or Classification. To learn more about phylogenetic trees, please visit our Phylogenetic Biology pages.close box
Liebers, D., Helbig, A. J. and de Knijff, P. 2001. Genetic differentiation and phylogeography of gulls in the Larus argentatus-cachinnans-fuscus group. Molec. Ecol. 10:2447-2462.
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Page: Tree of Life Larus. Typical Gulls. The TEXT of this page is licensed under the Creative Commons Attribution-NonCommercial License - Version 3.0. Note that images and other media featured on this page are each governed by their own license, and they may or may not be available for reuse. Click on an image or a media link to access the media data window, which provides the relevant licensing information. For the general terms and conditions of ToL material reuse and redistribution, please see the Tree of Life Copyright Policies.
- First online 24 June 2008
- Content changed 24 June 2008
Citing this page:
Tree of Life Web Project. 2008. Larus. Typical Gulls. Version 24 June 2008 (temporary). http://tolweb.org/Larus/90592/2008.06.24 in The Tree of Life Web Project, http://tolweb.org/