Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2024 Mar 29;35(3):arae024. doi: 10.1093/beheco/arae024

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) 2024. Published by Oxford University Press on behalf of the International Society for Behavioral Ecology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

3-panel figure showing that proportion males produced decreases with female density for parasitically-laid ducklings, but does not change with density for nest ducklings or all ducklings. — The proportion of males produced as a function of female density for (a) parasitic ducklings, (b) nest ducklings, and (c) all ducklings. Each point represents ducklings produced in one population in 1 year (n = 12: 4 years from Russell Ranch, 3 years from Putah Creek, 3 years from Conaway Ranch, and 2 years from Roosevelt Ranch), in the Central Valley of California, USA.