Exploring the Fascinating World of Bird Feathers

The video explores the composition and types of bird feathers, highlighting that they are made of keratin, similar to snake and lizard scales. It describes six types of feathers, including flight, contour, and down feathers, and their uses. The anatomy of a feather is detailed, explaining parts like the rikis, barbs, and calamus. The video also covers the functions of feathers, such as aiding in flight, providing warmth, reducing sound, and being used for display to attract mates or distract predators.

What protein is found in bird feathers, as well as in snake and lizard scales?

• Collagen

• Keratin

• Elastin

• Myosin

Which type of feather is commonly used in pillows and jackets?

• Flight feathers

• Contour feathers

• Down feathers

• Brizzle feathers

What is the central core of a bird's feather called?

• Barbule

• Rikis

• Calamus

• Ramous

How do barbules and barbicels function in a bird's feather?

• They produce sound

• They absorb water

• They provide color

• They act like Velcro

Which of the following is NOT a function of bird feathers?

• Sound reduction

• Photosynthesis

• Warmth

• Flight