Nearly A Third Of Birds In U.S. And Canada Have Disappeared Since 1970

The video discusses the alarming decline of bird populations in Canada, with nearly 3 billion birds lost. A study published in the journal Science highlights that the current extinction rate is 1000 times higher than pre-human times. The National Audubon Society attributes this decline to human activities such as deforestation and pollution. The organization's president emphasizes the interconnected fate of birds and humans, urging immediate action to address this environmental crisis.

What is the estimated number of birds that have disappeared in Canada?

• 4 billion

• 3 billion

• 1 billion

• 2 billion

How much greater is today's extinction rate compared to pre-human times?

• 2000 times

• 500 times

• 1000 times

• 100 times

What does the study suggest about focusing only on extinct species?

• It is irrelevant

• It provides a complete picture

• It overlooks significant losses

• It is the best approach

According to the National Audubon Society, what is the primary cause of bird population decline?

• Natural disasters

• Climate change

• Predation

• Human activities

What message does the National Audubon Society convey about the relationship between birds and humans?

• Birds and humans are unrelated

• Humans are unaffected by bird decline

• Birds and humans share the same fate

• Birds are more important than humans