Helicopter noise measurably alters bighorn sheep foraging behavior

Evidence

Biologists studying bighorn sheep in the Grand Canyon found noticeable changes in feeding patterns and movement patterns in the presence of helicopters. — Gordon Hempton, John Grossmann, One Square Inch of Silence- One Man’s…, 485

Categorization

• corroborated: 2 independent passages support this claim — Gordon Hempton, John Grossmann, One Square Inch of Silence- One Man’s…, 485
• XREF: connects to: Industrial noise measurably reduces ovenbird mating success — Gordon Hempton, John Grossmann, One Square Inch of Silence- One Man’s…, 693; Noise harms hearing-dependent wildlife more than visual species like peregrines — Gordon Hempton, John Grossmann, One Square Inch of Silence- One Man’s…, 691; Natural gas drilling noise correlates with 50 percent sage grouse decline — Gordon Hempton, John Grossmann, One Square Inch of Silence- One Man’s…, 975 (+8 more)

Related

• Helicopter overflights disrupt wildlife feeding and movement patterns (similarity 0.92)
• Industrial noise measurably reduces ovenbird mating success (similarity 0.87)
• Noise harms hearing-dependent wildlife more than visual species like peregrines (similarity 0.87)
• Natural gas drilling noise correlates with 50 percent sage grouse decline (similarity 0.83)
• Noise pollution directly reduces birds’ reproductive success (similarity 0.82)
• Turbine noise forces ground squirrels to alter antipredator vigilance. (similarity 0.82)
• Helicopter noise lowers scenic ratings even where helicopters mean rescue (similarity 0.79)
• Ambient noise impairs birds’ territory defense and mate attraction (similarity 0.79)
• Prey animals avoid noisy areas because sound is their security surveillance (similarity 0.79)

Broader Connections

• Noise pollution directly reduces birds’ reproductive success #exemplifies (0.75) — Gordon Hempton, John Grossmann, One Square Inch of Silence- One Man’s…, 942
• Animals listen completely to their environment because listening is survival #exemplifies (0.70) — Pauline Oliveros, Deep Listening, 90