Comparison of murre colony before and after a catastrophic marine heatwave

A comparison image of a rock face full of murres labeled "before" and the same image with far fewer murres labeled "after."
Photo By/Credit

USFWS

Date Shot/Created
Circa 2014-2021
Media Usage Rights/License
Public Domain
Image
Comparison of common murre colony on a census plot, South Island, Semidi Islands, Alaska Maritime National Wildlife Refuge, before and after the 2015-2016 marine heatwave. The top image shows the colony in 2014, and the bottom image shows the colony in 2021.
Facility
Alaska Maritime National Wildlife Refuge
Species
Uria aalge
Subject tags
Birds
Climate change
Climate effects
Monitoring
Seabirds
Work of the Service