Sources

Geography

In general: http://google.com https://maps.google.com https://www.wikipedia.org/

Canada

https://en.wikipedia.org/wiki/List_of_land_districts_of_British_Columbia https://en.wikipedia.org/wiki/List_of_municipalities_in_Quebec

Mexico

https://en.wikipedia.org/wiki/Municipalities_of_[Estado]

Example:

https://en.wikipedia.org/wiki/Municipalities_of_Oaxaca

United States

https://en.wikipedia.org/wiki/List_of_islands_of_Alaska

Taxonomy

General:

http://resolver.globalnames.org/

Amphibians:

http://www.amphibiaweb.org/

Birds:

https://avibase.bsc-eoc.org/avibase.jsp?lang=EN

Fish:

http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp

Mammals:

https://www.departments.bucknell.edu/biology/resources/msw3/

Reptiles:

http://reptile-database.reptarium.cz/

Paleobiology

http://fossilworks.org/?a=taxonSearchForm