![Woodpecker on a tree](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/woodpecker-in-the-snow.jpg?itok=WmWgTEIl)
Do Woodpeckers Get Concussions?
STEM Explained
Pecking puts a lot of force on a woodpecker’s brain. But scientists think woodpecker bodies are adapted to help keep them from being injured during pecking-related collisions.
![Grey Herons Building Nest Grey Herons Building Nest](/sites/default/files/styles/resource_card_image_360x300_/public/Ardea_cinerea_building_nest.jpg?itok=U8TThZvf)
Birds: Nest Construction
Picture Collections
images of some birds in the process of building their nests
![Nest With Eggs Nest With Eggs](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1436731837106-3b37ef132fc2.jpg?itok=Gbo4Ab1n)
Birds: Nests
Picture Collections
10 images of some birds' nests showing various designs, structures and materials used for building them
![Eagle Eagle](/sites/default/files/styles/resource_card_image_360x300_/public/eagle2.jpg?itok=9md6UX31)
Birds: Raptors (Birds of Prey)
Picture Collections
5 images of predatory birds that hunt and feed on other animals such as eagles, the Great Horned Owl and vultures
![Blue Jay Blue Jay](/sites/default/files/styles/resource_card_image_360x300_/public/Bluejay.jpg?itok=txRE8CEw)
Birds: Songbirds
Picture Collections
10 images of some birds such as finches, chickadees and cardinals that produce sounds and calls in a musical way
![Toad camouflage matches stone it is on](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Toad_on_bricks.jpg?itok=ooEHAAhZ)
Animal Adaptations
Lessons
Students develop and apply collaboration & communication and computational thinking skills to learn the ways in which animals adapt to their environments.
![Chameleon blending in its surroundings](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/Cameleon_Tunisie_0.jpg?itok=KMn52lS1)
Animals: Adaptation
Picture Collections
11 images of some animals such as lizards and Arctic Hares whose appearance has adapted to provide protection in their environments
![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
![Grizzly Bear Grizzly Bear](/sites/default/files/styles/resource_card_image_360x300_/public/Grizzly_Bear_Yellowstone.jpg?itok=kyKgyS-Q)
Animals: Hibernation
Picture Collections
10 images of some animals such as bears, bats, turtles and lemurs that spend the cold weather in a dormant state
![Cranes Cranes](/sites/default/files/styles/resource_card_image_360x300_/public/Birds-216827_640.jpg?itok=GZCF5Cns)
Animals: Migration
Picture Collections
10 images of some animals such as salmon, Monarch butterflies, whales, zebras and wildebeast that move seasonally from one region to another
![Tarantula](/sites/default/files/styles/resource_card_image_360x300_/public/Tarantula_%286232600039%29.jpg?itok=P2gUCIQj)
Arachnids
Picture Collections
5 images of invertebrates such as spiders and scorpions characterized by having 4 pairs of segmented legs, 2 main body parts and simple eyes
![Image © TLFurrer, iStockPhoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/6675.jpg?itok=rmr9LK-v)
Are Microbes Your Friend or Foe?
STEM Explained
Microbes are everywhere, even in your digestive tract. Some of these microbes are helpful, and some aren’t.
![White Swan White Swan](/sites/default/files/styles/resource_card_image_360x300_/public/whiteswan.jpg?itok=2eblWv_e)
Birds: Aquatic
Picture Collections
12 images of some birds such as seagulls, puffins, ducks and Canada Geese that live on or around freshwater or saltwater habitats
![African Penguins African Penguins](/sites/default/files/styles/resource_card_image_360x300_/public/Africanpenguins.jpg?itok=Y2dGCsxw)
Birds: Flightless
Picture Collections
4 images of some birds such as emus and penguins that have less developed or small wings and have evolved over time not to be able to fly
![Rooster](/sites/default/files/styles/resource_card_image_360x300_/public/rooster.jpg?itok=T5njfe3D)
Birds: Landfowl
Picture Collections
4 images of some birds that are heavy-bodied and ground feeders such as turkeys, pheasants and peacocks