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Cellular Respiration in Scarce Oxygen: Hummingbird Adaptations at High Altitudes

6 minutes 3 seconds

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New research finds that hummingbird species living at high altitudes have evolved hemoglobin with enhanced oxygen-binding properties so they can thrive in oxygen-poor environments. A team of scientists demonstrate how hummingbirds adapt to life at high altitudes.

Media Details

Runtime: 6 minutes 3 seconds

Topic: Science
Subtopic: Biology, Birds, Cells
Grade/Interest Level: 7 - 12
Standards:

Release Year: 2019
Producer/Distributor: PBS Learning Media
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Lab equipment in background with illustration of DNA strand, question marks, and an arrow pointing to the horn on a unicorn. Caption: We'd want to know what parts of the genome make the horn.

Lab equipment in background with illustration of connected neurons. Caption: glia activate and help fix the neurons

Still image from: 4 Awesome Discoveries You Probably Didn't Hear About This Week (Episode 36)

A caterpillar curled in a circle, mostly encased in a protective covering. Caption: Then the caterpillar goes to sleep.

Green foliage with a pink flower overlooks the shoreline. Spanish captions.

Closeup of a bright orange and blue tropical flower. Spanish captions.

A seal swimming underwater near the ocean floor. Caption: still remain to satisfy diurnal scavengers

A warthog with long tusks curving towards its body and leathery skin covered in mud. Caption: we can see that each has a beauty all its own.

Person driving a large piece of industrial farm equipment. Caption: towards managing agricultural systems

Large tent with open sides covering people seated and standing around tables holding gear and other items. Two people carefully placing bones in the outline of a body. Caption: for what early bipeds looked like.