Featured Research

from universities, journals, and other organizations

Penguins Okay With Human Visitors -- For Now

Date:
January 27, 2006
Source:
Blackwell Publishing Ltd.
Summary:
A study published in the latest issue of Conservation Biology examines the effects of humans on Magellanic Penguins and finds no immediate, negative effects of tourism. Although first seeing people is stressful for the penguins, habituation is rapid.

A study published in the latest issue of Conservation Biology examines the effects of humans on Magellanic Penguins and finds no immediate, negative effects of tourism. Although first seeing people is stressful for the penguins, habituation is rapid. The authors monitored the defensive head turns and the level of a hormone secreted in response to stress (plasma corticosterone) of penguins when encountering humans. "Head turns of penguins visited for 10 days were significantly lower than those of penguins visited for 5 days and were not significantly different than for penguins living in the [much frequented] tourist area," the authors explain. However, the authors stress that these results focus on the immediate. The consequences of the penguin's changing behavior may not become apparent until later in life.

Related Articles


When approached in their nest, Magellanic Penguins turn their heads back and forth, looking at the approacher with one eye and then both. When stressed, the increase in their hormones facilitates their ability to escape or outlast the situation. As stated, the results show no short-term negative impact of human visits, but long-term effects have not been reported. "These long-term consequences are much harder to document, especially in long-lived animals such as Magellanic Penguins," the authors conclude. "Our data shows that quantifying the consequences of human disturbances on wildlife is rarely simple and straightforward."

Magellanic Penguins nest in coastal colonies along the southern Atlantic and Pacific oceans of South America. The penguins in the study live in the largest and most visited colony of Magellanic Penguins at Punta Tombo, Argentina. More than 70,000 people now visit annually.

###

This study is in the February issue of Conservation Biology.

Conservation Biology is a top-ranked journal in the fields of Ecology and Environmental Science and has been called, "required reading for ecologists throughout the world." It is published on behalf of the Society for Conservation Biology.

Lead author Brian G. Walker is an assistant professor in the Biology at Gonzaga University. He has been published in numerous journals. This study was done while Professor Walker was at the University of Washington, Seattle.

P. Dee Boersma and John C. Wingfield co-authored the study.

Blackwell Publishing is the world's leading society publisher, partnering with 665 academic and professional societies. Blackwell publishes over 800 journals and, to date, has published more than 6,000 books, across a wide range of academic, medical, and professional subjects.


Story Source:

The above story is based on materials provided by Blackwell Publishing Ltd.. Note: Materials may be edited for content and length.


Cite This Page:

Blackwell Publishing Ltd.. "Penguins Okay With Human Visitors -- For Now." ScienceDaily. ScienceDaily, 27 January 2006. <www.sciencedaily.com/releases/2006/01/060126200741.htm>.
Blackwell Publishing Ltd.. (2006, January 27). Penguins Okay With Human Visitors -- For Now. ScienceDaily. Retrieved January 28, 2015 from www.sciencedaily.com/releases/2006/01/060126200741.htm
Blackwell Publishing Ltd.. "Penguins Okay With Human Visitors -- For Now." ScienceDaily. www.sciencedaily.com/releases/2006/01/060126200741.htm (accessed January 28, 2015).

Share This


More From ScienceDaily



More Plants & Animals News

Wednesday, January 28, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Dogs Bring on So Many Different Emotions in Their Human Best Friends

Dogs Bring on So Many Different Emotions in Their Human Best Friends

RightThisMinute (Jan. 28, 2015) From new-puppy happy tears to helpful-grocery-carrying-dog laughter, our four-legged best friends can make us feel the entire spectrum of emotions. Video provided by RightThisMinute
Powered by NewsLook.com
Scientists Say Earliest Snakes Lived Alongside The Dinosaurs

Scientists Say Earliest Snakes Lived Alongside The Dinosaurs

Newsy (Jan. 28, 2015) Wrongly categorized as lizard fossils, snake fossils now show the reptile could have developed earlier than we thought — 70 million years earlier. Video provided by Newsy
Powered by NewsLook.com
Poultry Culled in Taiwan to Thwart Bird Flu

Poultry Culled in Taiwan to Thwart Bird Flu

Reuters - News Video Online (Jan. 28, 2015) Taiwan culls over a million poultry in efforts to halt various strains of avian flu. Julie Noce reports. Video provided by Reuters
Powered by NewsLook.com
Aquaponics Turn Suburban Industrial Park Into Farmland: Hume

Aquaponics Turn Suburban Industrial Park Into Farmland: Hume

The Toronto Star (Jan. 27, 2015) Ancient techniques of growing greens with fish and water are well ahead of Toronto bylaws. Video provided by The Toronto Star
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins