Research
Find research shared by the Owlstown community.
An experimental displacement and over 50 years of tag-recoveries show that monarch butterflies are not true navigators
Publication · August 16, 2025
Experimental evidence and 43 years of monitoring data show that food limits reproduction in a food-caching passerine.
Abstract
Several species of birds and mammals overcome periods of scarcity by caching food, but for the vast majority of species, it is virtually unknown whether they are food limited during these periods. The Gray Jay (Perisoreus canadensis) is...
Publication · August 16, 2025
Biodiversity inventories in high gear: DNA barcoding facilitates a rapid biotic survey of a temperate nature reserve
Abstract
Abstract Background Comprehensive biotic surveys, or âall taxon biodiversity inventoriesâ (ATBI), have traditionally been limited in scale or scope due to the complications surrounding specimen sorting and species identification. To cir...
Publication · August 16, 2025
Migration distance as a selective episode for wing morphology in a migratory insect
Abstract
BackgroundSelective pressures that occur during long-distance migration can influence morphological traits across a range of taxa. In flying insects, selection should favour individuals that have wing morphologies that increase energy e...
Publication · August 16, 2025
Isotopic spiking and food dye experiments provide evidence that nestling Canada Jays (Perisoreus canadensis) receive cached food from their parents
Abstract
While many animals rely on stored food to survive periods of no or few resources, some of these species may also use cached food to feed young. The Canada Jay (Perisoreus canadensis (Linnaeus, 1766)) is a territorial, food-caching resid...
Publication · August 16, 2025
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