10 Questions
How do kestrals use their vision in hunting?
By detecting UV-reflective chemicals in rodent urine
What is the function of a bird's crop?
To store and soften food
What is the role of a bird's gizzard in digestion?
Grinding food like a muscular stomach
Why do many birds like owls regurgitate undigested food matter as pellets?
To avoid the weight of unnecessary liquid in the body
What is unique about how birds excrete uric acid compared to mammals?
Birds excrete uric acid without having a urinary bladder
How does a bird's circulatory system differ from that of mammals?
Birds have a four-chambered heart
Which system in birds processes nitrogenous waste into uric acid?
Digestive system
Why is the heart rate of small birds, like hummingbirds, very fast?
To support rapid wing motions
What do ecologists learn about bird niches from studying regurgitated pellets?
The diet and prey selection of birds
Why do birds excrete uric acid when it is formed instead of storing it?
To avoid carrying excess water weight in their bodies
Explore the characteristics and general facts about birds, including their unique physiology and diverse species. Learn about their ability to fly, amniotic eggs, sizes, and other interesting details about these fascinating creatures.
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