12.3 ± 0.6 millimeters for males, 11.7 ± 0.6 millimeters for females. Source: Haggerty, Thomas M. and Eugene S. Morton. 2014. Carolina Wren (Thryothorus ludovicianus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu.bnaproxy.birds.cornell.edu/bna/species/188
Long beak = great from probing and plucking insects from crevices. They are fierce predators of small insects. Likely they’d also use it for defense if needed, but the primary function is foraging.
David George Haskell 
How long is the Carolina Wrens beak? Please pyt it on the page!
12.3 ± 0.6 millimeters for males, 11.7 ± 0.6 millimeters for females. Source: Haggerty, Thomas M. and Eugene S. Morton. 2014. Carolina Wren (Thryothorus ludovicianus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu.bnaproxy.birds.cornell.edu/bna/species/188
doi:10.2173/bna.188
Hi David – curious if the Carolina Wren uses its beak fir defense? Why is it so long? Cannot find much online.
Long beak = great from probing and plucking insects from crevices. They are fierce predators of small insects. Likely they’d also use it for defense if needed, but the primary function is foraging.