Welcome to the monarch library! Our goal is to include all peer-reviewed articles on monarch biology with links to sites that will give you the easiest direct access to each article. Please contact if you 1) know of an article not included, 2) find a mistake in any of the listed articles, 3) know of a better link to access an article. Thanks! With your help we can provide the most complete, informative access to all papers on monarch biology.

Field Definitions

First author: Last name of the first author
Type: Article or book chapter
Year: Publication year
Source: Journal or book
Category*: Broad scope of the publication.
Research topic (monarch & supporting research only)*: Specific topic.
Geographic focus*: Geographic setting for field studies.
Monitoring data used: Data from monitoring or public data efforts.
* Full list

17 result(s)
Category: Monarch research, Migration
Type: Article
Year: 1964
Urquhart FA. 1964. Monarch butterfly (Danaus plexippus) migration studies - autumnal movement. Proceedings of the Entomological Society of Ontario 95: 23.

Category: Monarch research, Migration
Type: Book Chapter
Year: 1960
Urquhart FA. 1960. Migration. Pages 252-321. The Monarch Butterfly. University of Toronto Press.


This database is a work in progress and is likely to contain several omissions and mistakes.
Please contact with any additions or corrections.