1. Response to Davis: choosing relevant evidence to assess monarch population trends;Brower;Insect Conservation and Diversity,2011a
2. Decline of monarch butterflies overwintering in Mexico: is the migratory phenomenon at risk?;Brower;Insect Conservation and Diversity,2011b
3. Are migratory monarchs really declining in eastern North America? Examining evidence from two fall census programs;Davis;Insect Conservation and Diversity,2011