The House Wren is usually divided into three distinct subspecies groups and one or several distinct island-endemic subspecies. Some or all of these are often considered distinct species.
Northern House Wren, Troglodytes (aedon) aedon group – Canada to southern USA
Brown-throated Wren, Troglodytes (aedon) brunneicollis group – southern USA and central ranges of Mexico
Cozumel Wren, Troglodytes (aedon) beani – Cozumel Island off the Yucatan Peninsula, Mexico
Southern House Wren, Troglodytes (aedon) musculus group – southern Mexico, Central and South America
It has also been suggested that the taxa from the Lesser Antilles represent one or more separate species, but there is less agreement as to their subdivision, because as far as they have been studied to date, there is little clear biogeographical structure among these populations.
Northern House Wren, Bandelier National Monument (New Mexico, USA)
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Northern House Wren song recorded in Rondeau Provincial Park (Ontario, Canada)
Southern House Wren, São Paulo Botanic Garden (Brazil)
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Southern House Wren song recorded in Petropolis (Rio de Janeiro, Brazil)
Northern House Wren
San Luis Obispo (California, USA)
Three additional taxa from more oceanic islands have traditionally been included in the House Wren, but are increasingly considered as separate species:
Cobb's Wren, Troglodytes cobbi – Falkland Islands (South Atlantic)