# Cand one side of a duck's brain sleep while the other half remains awake?

**URL:** https://boards.straightdope.com/t/cand-one-side-of-a-ducks-brain-sleep-while-the-other-half-remains-awake/706122
**Category:** Cecil's Columns/Staff Reports
**Created:** [December 2, 2014, 2:41pm UTC](https://boards.straightdope.com/t/cand-one-side-of-a-ducks-brain-sleep-while-the-other-half-remains-awake/706122 "2014-12-02T14:41:29Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![qazwart](https://avatars.discourse-cdn.com/v4/letter/q/5fc32e/32.png) [@qazwart](https://boards.straightdope.com/u/qazwart)
#### Post date: [December 2, 2014, 2:41pm UTC](https://boards.straightdope.com/t/cand-one-side-of-a-ducks-brain-sleep-while-the-other-half-remains-awake/706122/1 "2014-12-02T14:41:29Z")

</div>

Your [link](http://www.straightdope.com/columns/read/1333/can-one-side-of-a-ducks-brain-sleep-while-the-other-half-is-awake)…

> [@](#):
>
> Neils C. Rattenborg, a graduate student in the department of life sciences at Indiana State University, lined up four groups of four mallards. (Yes, he got his ducks in a row.)

Ah, but could he record their [echo](http://www.straightdope.com/columns/read/1090/is-it-true-a-ducks-quack-wont-echo)?

---

<div class="post-metadata">

### Author: ![cochrane](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/cochrane/32/10441_2.png) [@cochrane](https://boards.straightdope.com/u/cochrane)
#### Post date: [December 2, 2014, 6:14pm UTC](https://boards.straightdope.com/t/cand-one-side-of-a-ducks-brain-sleep-while-the-other-half-remains-awake/706122/2 "2014-12-02T18:14:06Z")

</div>

I know that a male duck’s quack doesn’t echo. Mostly because [male ducks don’t quack](http://birding.about.com/od/birdprofiles/a/15-Fun-Facts-About-Ducks.htm). Only female ducks do.