Climate Change Bringing Unpredictable Ecosystem Disruption for Migratory Birds

Alex Wierbinski's picture

By Alex Wierbinski - Posted on 06 March 2019


Flying into the Unknown

Study: Climate change is leading to unpredictable ecosystem disruption for migratory birds,
Cornell University, March 5, 2019.


Into the Unknown
“...difficult to predict how climate change will affect migratory bird populations and the ecosystems they inhabit.”

Beyond the Pale
"Climates have natural variation and we're moving rapidly into territory where the magnitude of climate change will consistently exceed this variation."

Ecological Disruption
"There will be no historic precedent for these new climates, and migratory bird populations will increasingly encounter 'novel' climatic conditions. The most likely outcome will be a period of ecological disruption as migratory birds and other species try to respond or adapt to these new conditions."

Climate they Fit is Gone
“ the middle of the next century migratory bird populations will experience novel climates during all phases of their annual life cycles.”


Bird Migration is Breaking Down Now


Spring Migration Earlier in European and North American Birds


Timing of Life Changing with Changing Seasons
Birds Paying the Price

Everything is Changing
Pacific Songbird Migration Changing

Migrating Birds Are Running Out of Water

Migration Traffic Report
More than 4 Billion Birds Make the Fall Migration


While the Arctic warms, migrating birds pay the price in the tropics,
American Association for the Advancement of Science, May 12, 2016.

How Arctic spring kills birds in Africa,
Lomonosov Moscow State University, May 12, 2016.



December 3, 2015

Global effort 'needed to save migratory birds,
December 03, 2015, University of Queensland.




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