Differences in physical characteristics, particularly head capsule size, between coexisting species
Species loss that is targeted at species with traits that make them particularly vulnerable to environmental change
A plant species recently introduced to an environment that herbivorous insects may exploit as a new resource
Animals which feed on both plant and prey sources, allowing them to effect multiple trophic levels within a food web
Use of the same elevated vantage points by different individuals or species for predator detection
Shift from bee-dominated pollinator communities at lower elevations to fly-dominated communities at higher elevations
Changes in pollinator foraging patterns, preferences, and physiology in response to ethanol presence in nectar and honey