List of works - Ryan Norris

A boreal songbird's 20,000 km migration across North America and the Atlantic Ocean

scientific article published on 19 March 2019

A fitness trade-off between seasons causes multigenerational cycles in phenotype and population size

scientific article published on 06 February 2017

Autumn freeze-thaw events carry over to depress late-winter reproductive performance in Canada jays.

scientific article

Breeding dispersal in a resident boreal passerine can lead to short‐ and long‐term fitness benefits

scientific article published in 2021

Climate-driven carry-over effects negatively influence population growth rate in a food-caching boreal passerine

scientific article published on 21 December 2020

Effects of early-life exposure to sublethal levels of a common neonicotinoid insecticide on the orientation and migration of monarch butterflies (<i>Danaus plexippus</i>)

scientific article published on 17 December 2020

Experimental field evidence shows milkweed contaminated with a common neonicotinoid decreases larval survival of monarch butterflies

scientific article published in 2021

Fear creates an Allee effect: experimental evidence from seasonal populations.

scientific article published in June 2017

Habitat preferences of adult Canada Jays (<i>Perisoreus canadensis</i>) during the post-breeding period in Algonquin Provincial Park, Ontario, Canada

scientific article published in 2022

Hot temperatures during the dry season reduce survival of a resident tropical bird

scientific article published on 01 May 2018

Integrating data types to estimate spatial patterns of avian migration across the Western Hemisphere

scientific article published in 2022

Microgeographical variation in birdsong: Savannah sparrows exhibit microdialects in an island population

scientific article published on 10 May 2022

Migratory connectivity of the monarch butterfly (Danaus plexippus): patterns of spring re-colonization in eastern North America

scientific article

Migratory monarchs that encounter resident monarchs show life-history differences and higher rates of parasite infection

scientific article published on 27 August 2018

Monarch butterflies cross the Appalachians from the west to recolonize the east coast of North America

scientific article

Patterns and causes of breeding dispersal in a declining population of Canada jays, Perisoreus canadensis, over 55 years

scientific article published in 2021

Patterns and causes of oviposition in monarch butterflies: Implications for milkweed restoration

scientific article published on 02 November 2017

Regional climate on the breeding grounds predicts variation in the natal origin of monarch butterflies overwintering in Mexico over 38 years

scientific article published on 3 January 2017

Simple signals indicate which period of the annual cycle drives declines in seasonal populations

scientific article published on 20 October 2019

Tracking multi-generational colonization of the breeding grounds by monarch butterflies in eastern North America

scientific article published on 7 August 2013

Vocal learning in Savannah sparrows: acoustic similarity to neighbours shapes song development and territorial aggression

article by Ian P. Thomas et al published June 2021 in Animal Behaviour

List of works by Ryan Norris

A boreal songbird's 20,000 km migration across North America and the Atlantic Ocean

A fitness trade-off between seasons causes multigenerational cycles in phenotype and population size

Autumn freeze-thaw events carry over to depress late-winter reproductive performance in Canada jays.

Breeding dispersal in a resident boreal passerine can lead to short‐ and long‐term fitness benefits

Climate-driven carry-over effects negatively influence population growth rate in a food-caching boreal passerine

Effects of early-life exposure to sublethal levels of a common neonicotinoid insecticide on the orientation and migration of monarch butterflies (<i>Danaus plexippus</i>)

Experimental field evidence shows milkweed contaminated with a common neonicotinoid decreases larval survival of monarch butterflies

Fear creates an Allee effect: experimental evidence from seasonal populations.

Habitat preferences of adult Canada Jays (<i>Perisoreus canadensis</i>) during the post-breeding period in Algonquin Provincial Park, Ontario, Canada

Hot temperatures during the dry season reduce survival of a resident tropical bird

Integrating data types to estimate spatial patterns of avian migration across the Western Hemisphere

Microgeographical variation in birdsong: Savannah sparrows exhibit microdialects in an island population

Migratory connectivity of the monarch butterfly (Danaus plexippus): patterns of spring re-colonization in eastern North America

Migratory monarchs that encounter resident monarchs show life-history differences and higher rates of parasite infection

Monarch butterflies cross the Appalachians from the west to recolonize the east coast of North America

Patterns and causes of breeding dispersal in a declining population of Canada jays, Perisoreus canadensis, over 55 years

Patterns and causes of oviposition in monarch butterflies: Implications for milkweed restoration

Regional climate on the breeding grounds predicts variation in the natal origin of monarch butterflies overwintering in Mexico over 38 years

Simple signals indicate which period of the annual cycle drives declines in seasonal populations

Tracking multi-generational colonization of the breeding grounds by monarch butterflies in eastern North America

Vocal learning in Savannah sparrows: acoustic similarity to neighbours shapes song development and territorial aggression