来自MSN4 天
Biologist Spots Rare, Flightless Grasshopper in Virginia for the First Time in Nearly 80 Years
A petite, flightless grasshopper once thought to be extinct has been spotted in Virginia for the first time in nearly 80 ...
Plants offer fruit to insects to disperse dust-like seeds, botanist discovers
that have taken on ecological functions usually associated with ground-dwelling mammals that don't exist there. The ability ...
Livestock grazing influences insect populations in the Himalayas
Domestic grazers are increasingly replacing wild herbivores in ecosystems around the world, leading to insidious changes in ...
PBS4 个月
Adaptive Radiation: Darwin's Finches
On various islands, finch species have become adapted for different diets: seeds, insects, flowers, the blood of seabirds, and leaves. The ancestral finch was a ground-dwelling, seed-eating finch.
Replacing wild herbivores with livestock hurting insects in Himalayas
A 15-year study in India's Spiti Valley revealed that replacing wild herbivores with livestock significantly affects ground-dwelling arthropods. Lives ...