Ghosts of Past Environments

http://commons.wikimedia.org/wiki/User:Charlesjsharp

http://www.flickr.com/people/10299779@N03

http://www.flickr.com/people/10299779@N03

Motivation for Writing This Book

http://commons.wikimedia.org/wiki/Special:Contributions/Connormah

http://commons.wikimedia.org/wiki/User:Benjamint444

http://commons.wikimedia.org/wiki/User:Zaqarbal

http://commons.wikimedia.org/wiki/Special:Contributions/Leo_za1

http://www.flickr.com/people/64565252@N00

http://commons.wikimedia.org/w/index.php?title=User:Commie_cretan&action=edit&redlink=1

http://www.flickr.com/people/10299779@N03

How Do We Infer Past Human Behavior?

http://commons.wikimedia.org/wiki/User:Idobi

http://commons.wikimedia.org/wiki/Special:Contributions/Молли

We Have Powerful Motion Detectors

http://commons.wikimedia.org/wiki/User:Malene

http://commons.wikimedia.org/wiki/User:Pline

Applications of Prospect Refuge Theory

http://commons.wikimedia.org/wiki/Special:Contributions/Quantpole

http://www.flickr.com/people/12017190@N06

http://ja.wikipedia.org/wiki/利用者:663highland

Stages of Habitat Selection

http://commons.wikimedia.org/wiki/User:Bgag

http://commons.wikimedia.org/wiki/User:Chris_j_wood

Biophobia Is Important And Easy To Study

http://www.flickr.com/people/97006177@N00

We Are a Remarkably Musical Species

Nature’s Sounds Tell Us Important Things

http://commons.wikimedia.org/wiki/User:Vkulikov

http://commons.wikimedia.org/wiki/User:Lionel_Allorge

Why We Have a Strong Negativity Bias

http://www.flickr.com/people/7147684@N03

http://www.flickr.com/people/8942661@N02

Red Sky At Dusk Is Only Sometimes Delightful

http://www.flickr.com/people/45882720@N00

http://commons.wikimedia.org/wiki/Special:Contributions/Eliotku

Why Do We Respond So Strongly To Circles?

http://en.wikipedia.org/wiki/User:JFrosty

http://commons.wikimedia.org/wiki/User:T137

http://commons.wikimedia.org/wiki/User:Spacebirdy

http://commons.wikimedia.org/wiki/User:PetarM

http://commons.wikimedia.org/wiki/Special:Contributions/Gary2863

Snakes – Our Most Ancient Enemy

http://commons.wikimedia.org/wiki/Special:Contributions/Conscious

Choosing Places To Live

http://commons.wikimedia.org/wiki/Special:Contributions/Russavia

http://commons.wikimedia.org/wiki/User:Amrum

http://commons.wikimedia.org/wiki/Special:Contributions/Plismo

http://www.flickr.com/people/51156152@N00

Ghosts of Predators Persist

flickr.com/photos/katsrcool/7261822254/

flickr.com/photos/usdagov/6353549899/

http://commons.wikimedia.org/wiki/User:AlbertHerring