Researchers believe that a primary factor in the decrease of North American bird populations is changes in farming practices such as draining wetlands and pesticide use. These practices have significantly impacted habitats and food sources for many bird species.
Question Which of the following do researchers think is a primary factor in the decrease of North American bird populations?(1 point) Responses Decreased hunting of predator species Decreased hunting of predator species Changes in farming practices such as draining wetlands and pesticide use Changes in farming practices such as draining wetlands and pesticide use Recreational hunting of bird species such as waterfowl Recreational hunting of bird species such as waterfowl A decrease in conservation efforts
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