Scavenging migratory bird carcasses in Sonoran desert


This video from Oregon in the USA says about itself:

Kit Fox den

16 jun. 2015

ODFW remote cameras captured Kit Fox pups playing in the Malheur County desert. The May 2015 footage is from two recordings a few weeks apart. Biologists are researching these native foxes to get updated population and habitat use information. More info here.

From The Southwestern Naturalist in the USA:

Scavenging of migratory bird carcasses in the Sonoran Desert

Andrew M. Rogers, Michelle R. Gibson, Tyler Pockette, Jessica L. Alexander, and James F. Dwyer

Abstract

In this study we report avian and mammalian scavengers foraging on migratory bird carcasses in the Sonoran Desert. We used remote cameras to monitor carcasses we found along a power line right-of-way (n = 25). We documented four species scavenging 10 carcasses (kit fox, Vulpes macrotis, n = 4; coyote, Canis latrans, n = 3; common raven, Corvus corax, n = 2, and greater roadrunner, Geococcyx californianus, n = 1) and recorded coyote tracks at three additional carcasses. Neither remote cameras nor tracks indicated the scavenger species of the remaining carcasses. Our data suggest migrant birds might provide an important food source for resident scavengers, particularly in desert habitats where food can be scarce. Our study also supports prior assertions that failure to account for removal of carcasses by scavengers might cause errors in estimates of mortality.

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