![Great tits eat from a bird feeder](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Great_tits_bird_feeder.jpg?itok=aiRpq_-G)
Natural Selection in Your Backyard
STEM Explained
A study on bird feeders and beak sizes shows how an everyday human activity can affect the evolution of another species.
![Swallowtail butterfly Swallowtail butterfly](/sites/default/files/styles/resource_card_image_360x300_/public/6595-9.jpg?itok=M5gZz-7j)
Insects: Part 2
Picture Collections
10 images of some animals that have 6 legs and 3 main body parts consisting of a head, thorax and abdomen.
![dung beetle rolling dung](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Dung_beetle_rolling_dung.jpg?itok=1q-E0DEH)
How to Find a Mate When You Smell Like Dung
STEM Explained
Some dung beetles use alternative reproductive tactics to increase their chances of finding a mate. Learn what this tells us about evolution and biodiversity.
![Ant, showing mandibles Ant, showing mandibles](/sites/default/files/styles/resource_card_image_360x300_/public/6594-1.jpg?itok=GQ0RA1wN)
Insects: Part 1
Picture Collections
10 images of some animals such as ants and mosquitoes that have 6 legs and 3 main body parts consisting of a head, thorax and abdomen.
![fancy guppies](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/fancy-guppies.jpg?itok=3im2BfH2)
Guppies, Guppies Everywhere!
STEM Explained
How do different populations adapt to their environment? Let’s explore this concept through guppy speciation.
![Kitten Kitten](/sites/default/files/styles/resource_card_image_360x300_/public/11-cat.jpg?itok=IpDJVBPq)
Animals: Babies and Adults
Picture Collections
20 images of animal pairs such as polar bears, turtle, dogs and birds in their juvenile and adult stages of life
![Ella Harvey | Data Manager at BOLD (Barcode of Life Data System) Ella Harvey | gestionnaire de données chez OLD (Barcode of Life Data System).](/sites/default/files/styles/career_image/public/6277_13.jpg?itok=4p7FtdME)
Ella Harvey
Career Profiles
Data Manager
![Gonzalo Giribet | Professor of Organismic and Evolutionary Biology, Harvard University Professeur de biologie des organismes et évolutionniste, Université Harvard](/sites/default/files/styles/career_image/public/6143_13.jpg?itok=LueexyMd)
Gonzalo Giribet
Career Profiles
Professor of Organismic and Evolutionary Biology
![Carolyn Fitzsimmons | Research Scientist Carolyn Fitzsimmons | Chercheuse scientifique](/sites/default/files/styles/career_image/public/3553_13.jpg?itok=Y-8xVJzc)
Carolyn Fitzsimmons
Career Profiles
Research Scientist
![Sylvie Cloutier | Chercheuse scientifique – généticienne moléculaire](/sites/default/files/styles/career_image/public/2019-07/Cloutier%20%20Sylvie_2.jpg?itok=Rge1nicq)
Sylvie Cloutier
Research Scientist