For our avian scavenger study, Coastal Raptors has spent more than 100 days afield, capturing 27 bald eagles, 30 turkey vultures, and 7 common ravens
Spatial and temporal patterns in the diet of Common Ravens
in southwestern Idaho.
First, based on our observations of common ravens
in flight dropping to the ground and then immediately flying up again with a scavenged migratory bird carcass, we suggest that in some instances scavenging events might have occurred more quickly than our cameras were capable of capturing photographs.
Diet composition of common ravens
across the urban-wildland interface of the West Mojave Desert.
The common raven
, Corvus corax, is the largest-bodied passerine and one of the most globally widespread bird species (Boatman and Heinrich 1999).
Beginning in mid-August, 2002, a total of 109 American Crows, 31 Blue Jays, 6 Common Ravens
(Corvus corux), and 4 Black-billed Magpies (Pica pica) were examined.
Implementation of a proposed large solid waste landfill in southeastern California adjacent to Joshua Tree National Park (JTNP) is considered to be a factor that could promote the establishment of additional populations of Common Ravens
in the region, and/or increases in existing populations, which could further threaten the Desert Tortoise (Fig.
In some of these images, Common Ravens
and a young Golden Eagle are watching the porcupine.
Prudhoe Bay, on Alaska's north slope, has just one species - the common raven
, Brown said.
In addition, Common Ravens
(Corvus corax) have been seen excavating sand crabs in order to eat their egg masses (Hendricks and Hendricks 2011).
, Corvus corax, preferentially associate with grey wolves as a foraging strategy in winter.
The variety of foods documented in the diet of Common Ravens
(Corvus corax), and the methods ravens use to obtain food, are extremely diverse; almost anything of nutritive value that can be captured, picked up, or stolen through use of the bill or feet is likely to draw the attention of ravens once it is perceived (Heinrich 1989, 1999; Ratcliffe 1997; Boarman and Heinrich 1999).
associate with gray wolf (Canis lupus) in Yellowstone National Park, USA and the scavenging corvids get early access to the carcass at wolf kills.
are attracted by appeasement calls of food discoverers when attacked.
An experimental investigation of insight in Common Ravens