Mechanisms behind the monarch's decline

Interpreting surveys to estimate the size of the monarch butterfly population: Pitfalls and prospects

(2017) John M. Pleasants et al.   PLoS One

Understanding a migratory species in a changing world: climatic effects and demographic declines in the western monarch revealed by four decades of intensive monitoring

(2016) Anne E. Espeset et al.   OECOLOGIA

Linking the continental migratory cycle of the monarch butterfly to understand its population decline

(2016) Hidetoshi Inamine et al.   OIKOS

Population Trends of Monarchs at a Northern Monitoring Site: Analyses of 19 Years of Fall Migration Counts at Peninsula Point, MI

(2015) Gina Badgett et al.   ANNALS OF THE ENTOMOLOGICAL SOCIETY OF AMERICA

The Disconnect Between Summer and Winter Monarch Trends for the Eastern Migratory Population: Possible Links to Differing Drivers

(2015) Leslie Ries et al.   ANNALS OF THE ENTOMOLOGICAL SOCIETY OF AMERICA

A call for full annual cycle research in animal ecology

(2015) Peter P. Marra et al.   Biology Letters

Opinion: conservation of monarch butterflies (Danaus plexippus) could be enhanced with analyses and publication of citizen science tagging data

(2014) Andrew K. Davis   Insect Conservation and Diversity

Trends in Deforestation and Forest Degradation after a Decade of Monitoring in the Monarch Butterfly Biosphere Reserve in Mexico

(2013) OMAR VIDAL et al.   CONSERVATION BIOLOGY

Milkweed loss in agricultural fields because of herbicide use: effect on the monarch butterfly population

(2012) JOHN M. PLEASANTS et al.   Insect Conservation and Diversity

Going, Going, Gone: Is Animal Migration Disappearing

(2008) David S Wilcove et al.   PLOS BIOLOGY