Crested Auklets Entice Their Mates with Scent



Crested Auklets Entice Their Mates with Scent

Written by Bob Sundstrom

That is BirdNote.

[Crested Auklet calls]

Crested Auklets are small seabirds that nest on distant cliffs within the Northern Pacific and the Bering Sea. But it surely’s their scent that actually units these birds aside. They scent like tangerines!

Native peoples of the Bering Sea islands have recognized about this for a very long time, however for some purpose early European and American naturalists who fastidiously described the area’s wildlife in each different manner by no means commented on the birds’ distinctive odor.

Now, that whiff of citrus on the salt air has develop into large information within the research of birds. That’s as a result of the scent – which is just produced throughout the breeding season – is a uncommon instance of a chook producing an odor to entice mates.

The feminine inspects a possible mate by pushing her beak right into a male’s neck feathers,  the place his particular scent is concentrated.

It seems to be an important sniff check. Area experiments present that females go for males who emit the strongest scents.

Scientists assume this scent might produce other functions too. The birds give off the odor extra strongly after they’re harassed. And the scent appears to additionally assist preserve parasites away.

For a very long time, scientists thought most birds didn’t rely a lot on their sense of scent in any respect. However over the previous couple of a long time, that’s altering.

[Crested Auklet calls]

For BirdNote, I’m Mary McCann.


Producer: John Kessler

Managing Producer: Jason Saul

Editor: Ashley Ahearn

Affiliate Producer: Ellen Blackstone

Assistant Producer: Mark Bramhill

Narrator: Mary McCann

Bird sounds supplied by the Xeno-canto Basis. Recorded by Ryan P. O’Donnell.

BirdNote’s theme was composed and performed by Nancy Rumbel and John Kessler.

© 2019 BirdNote   June 2019 / August 2022

ID#  CRAU-02-2019-07-24    CRAU-02…
most present… historical past of proof of scent


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