Cory's Shearwater Calonectris borealis    Synonyms: COSH.
Kingdom Animalia   >   Phylum Chordata   >   Class Aves   >   Order Procellariiformes   >   Family Procellariidae   >   Genus Calonectris   

Status:

Split from the Mediterranean nesting Scopoli's Shearwater in July 2024 (link). Cory's Shearwater breeds in the Atlantic and is much more common than Scopoli's Shearwater in Maryland waters.

Description:

Separation from Scopoli's Shearwater is challenging and based on underwing pattern and structural details.

There are 22 records in the project database.

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A Cory's Shearwater in Worcester Co., Maryland (6/4/2016). Photo by Mike Burchett. (MBP list)

A Cory's Shearwater in Worcester Co., Maryland (6/4/2016). Photo by Mike Burchett. (MBP list)

A Cory's Shearwater in Worcester Co., Maryland (9/29/2018). Photo by Jim Stasz. (MBP list)

A Cory's Shearwater in Worcester Co., Maryland (9/29/2018). Photo by Jim Stasz. (MBP list)

A Cory's Shearwater (C. d. borealis) in Worcester Co., Maryland (8/26/2006). Photo by Jim Stasz. (MBP list)

A Cory's Shearwater near Ocean City, Maryland (6/26/2011). Photo by Bill Hubick. (MBP list)

A Cory's Shearwater in Worcester Co., Maryland (6/4/2016). Photo by Mike Burchett. (MBP list)

A Cory's Shearwater in Worcester Co., Maryland (6/4/2016). Photo by Mike Burchett. (MBP list)

A Cory's Shearwater (below) and Great Shearwater offshore in Worcester Co., Maryland (6/4/2016). Photo by Mike Burchett. (MBP list)


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