Population declines among birds,especially long-distance migrant birds,have several primary causes.Which of the following is not one of these?

Question

Quizplus · Accepted Answer

Intentional poisoning of food supplies is not a primary cause of population declines among birds, especially long-distance migrant birds. The primary causes include habitat loss and fragmentation, introduction of nonnative species, collisions with power lines, towers, and skyscrapers, and climate change.

Population Declines Among Birds,especially Long-Distance Migrant Birds,have Several Primary Causes