Rhea Nesting Is Thoughts-boggling
Written by Bob Sundstrom
That is BirdNote.
[Rhea chick calling: https://www.xeno-canto.org/49632, 0.02-.08]
A typical fowl nest may have possibly 4 to 6 eggs neatly organized for a dad or mum to hunker down on.
Now, meet the Better Rhea, South America’s largest fowl. Rheas are four- to five-foot-tall flightless birds that look deal like Ostriches. You will discover between 50 and 80 eggs in a single Rhea nest! However they’re not all from the identical set of oldsters.
Male Rheas mate with a number of females after which construct a single nest on the bottom to carry all of the eggs from every of them.
Feminine Rheas wander round through the breeding season and mate with completely different males, laying eggs in every of their companion’s nests.
Males normally keep put after breeding and attend the nest. However a male Rhea may recruit a lower-ranking male to take care of his first nest whereas he goes off to begin one other nest, now mating with a second set of females.
Because the Rhea eggs are about to hatch, the chicks — whereas nonetheless contained in the egg — start to make a curious whistle. Think about fifty or extra all whistling without delay:
Multiplied: [https://www.xeno-canto.org/49632, 0.02-.08]
Generally younger chicks wish to nestle within the feathers of the male’s again — good factor he has such a pleasant broad again for all these chicks!
For BirdNote, I’m Ashley Ahearn.
Producer: John Kessler
Government Producer: Sallie Bodie
Editor: Ashley Ahearn
Affiliate Producer: Ellen Blackstone
Assistant Producer: Mark Bramhill
Bird sounds supplied by Xeno-Canto.org. Recorded by Rosendo Fraga.
BirdNote’s theme was composed and performed by Nancy Rumbel and John Kessler.
© 2020 BirdNote January 2020/2022
ID# RHEA-01-2020-01-30 RHEA-01 Narrator: Ashley Ahearn