Researchers noticed that the regions with the largest overall bird population declines, not just accelerating ones, were concentrated further south, where temperatures have risen most sharply due to human-caused climate change [1]. Since 1970, grassland bird populations have fallen by 43%. The loss of bird pollinators and pest-controlling species puts that system under increased stress, pushing farmers toward greater chemical intervention — which in turn accelerates the conditions driving bird decline. [11]Nevada’s birds in declineSeveral native bird species in Nevada are facing significant population declines, as part of the broader crisis. State-listed threatened and sensitive species:Under Nevada law, several bird species carry official state protections due to low populations and ongoing habitat threats.

Source: The Guardian March 03, 2026 12:56 UTC