Which of these bird species are sexually monomorphic (males and females are visually indistinguishable)?

Mallard Duck

Peafowl (Peacock)

Northern Cardinal

Blue Jay

Select all correct answers.

Please select at least one answer.

What is the function of the 'crop' in a bird's digestive system?

To grind food

To absorb nutrients

To produce digestive enzymes

To store food temporarily before digestion

Please select at least one answer.

To which avian order do birds like penguins belong?

Gaviiformes

Procellariiformes

Sphenisciformes

Anseriformes

Please select at least one answer.

What is the term for the seasonal loss and replacement of feathers in birds?

Fledging

Molting

Preening

Imprinting

Please select at least one answer.

Some birds, like swifts and albatrosses, can sleep while flying.

True

False

Please select at least one answer.

The Pitohui of New Guinea is one of the few known species of poisonous birds. Where does it sequester its toxins?

In its beak and talons

In its blood

In its venom glands

In its skin and feathers

Please select at least one answer.

Which bone in a bird's skeleton is commonly known as the 'wishbone'?

Furcula

Sternum

Scapula

Pygostyle

Please select at least one answer.

The Hoatzin is a unique South American bird whose chicks possess which unusual, primitive feature?

A reptilian-like tail

Claws on their wings

Gills for breathing underwater

A full set of teeth

Please select at least one answer.

The scientific name for the Ostrich is Struthio camelus, which translates to 'camel-like sparrow'.

False

True

Please select at least one answer.

The Archaeopteryx is a famous fossil that shows a clear evolutionary link between dinosaurs and birds.

False

True

Please select at least one answer.

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Ornithologist'S Challenge

Which of these bird species are sexually monomorphic (males and females are visually indistinguishable)?

What is the function of the 'crop' in a bird's digestive system?

To which avian order do birds like penguins belong?

What is the term for the seasonal loss and replacement of feathers in birds?

Some birds, like swifts and albatrosses, can sleep while flying.

The Pitohui of New Guinea is one of the few known species of poisonous birds. Where does it sequester its toxins?

Which bone in a bird's skeleton is commonly known as the 'wishbone'?

The Hoatzin is a unique South American bird whose chicks possess which unusual, primitive feature?

The scientific name for the Ostrich is Struthio camelus, which translates to 'camel-like sparrow'.

The Archaeopteryx is a famous fossil that shows a clear evolutionary link between dinosaurs and birds.