Introduction to Bird Wings

What is the difference between primary and secondary feathers?

• Primary feathers are located closer to the body, while secondary feathers are the main flight feathers on the outer wing.

• Primary feathers provide lift, while secondary feathers are the main flight feathers on the outer wing.

• Primary feathers are the main flight feathers on the outer wing, while secondary feathers are located closer to the body and provide lift.

• Primary feathers are shorter than secondary feathers and are used for steering.

What is the keel in birds?

• A type of bird's feather

• A bony ridge on a bird's breastbone that provides a surface for the attachment of powerful flight muscles.

• A part of the bird's digestive system

• A structure that helps birds to swim

How do bird wings differ from bat wings?

• Bird wings are made of feathers and have a rigid structure, while bat wings are made of skin stretched over flexible bones.

• Bird wings are made of skin and have a flexible structure, while bat wings are made of feathers and have a rigid structure.

• Bird wings are larger and heavier than bat wings, which are smaller and lighter.

• Bird wings are used for gliding, while bat wings are used for swimming.

What is the wingspan of the Wandering Albatross?

• 8 feet

• 10 feet

• 12 feet

• 14 feet

How do birds adapt their wings for different environments?

• By changing wing shape and size; for example, hummingbirds have short, rapid-flapping wings for hovering.

• By using their wings to swim in water environments.

• By making their wings larger to fly at higher altitudes.

• By developing colorful feathers to attract mates.

What is a bird's wing loading?

• The speed at which a bird can fly

• The ratio of a bird's weight to its wing area

• The distance a bird can travel in a day

• The type of feathers a bird has

What is one theory about how bird wings may have evolved?

• Bird wings may have evolved from dinosaurs that developed proto-wings for gliding between trees.

• Bird wings evolved from the flippers of marine reptiles.

• Bird wings originated from the feathers of ancient insects.

• Bird wings developed as a result of adaptation to high altitudes.

What is the significance of wing shape in birds?

• Wing shape determines the color of the feathers.

• Wing shape affects flight style, speed, and maneuverability.

• Wing shape is only important for nesting.

• Wing shape has no impact on bird behavior.

What is NOT recommended to help bird populations increase in numbers?

• Letting pet cats roam outdoors

• Planting native trees and shrubs

• Creating bird-friendly habitats

• Providing bird feeders and baths

Which muscle is responsible for lifting a bird’s wing during flight?

• Supracoracoideus muscle

• Deltoid muscle

• Pectoralis major muscle

• Trapezius muscle