OVERVIEW
Sage grouse are a key indicator species of ecological health in what is left
of the American West's 150 million acre sagebrush sea. These magnificent
birds evolved to take advantage of very diverse habitat niches at various
times of the year that often cover a range of 100 to 200 square miles. Habitat
used for life phases such as nesting, brood rearing, and winter survival are
very different, widely dispersed, and vary by elevation. Under the onslaught
of the fragmentation and degradation of suitable habit, by development,
highways, cheat grass dominated fire regimes, and grazing degradation, etc.,
scientists have helplessly watched as the sage grouse populations have
inexorably declined over the last half century. Domestic livestock grazing is
well documented as a key, if not the key factor in this decline.
Grazing
destroys grass cover for nesting in the sagebrush understory and succulent
forbs in the brood rearing areas of meadows, seeps and springs. Scientific
concern about sage grouse populations reached a crescendo in the last five
years and efforts are well underway to list them as threatened or endangered.
In the ongoing political, economic, social and environmental debates on land
and water use practices, the groups profiting from current activities are
usually politically well connected and financially capable of very effective
steps to continue the status quo. When the scientific communities conclude
that current practices need to be changed, there is a loud clamor by
extractive interests for more data and lengthy studies, reminiscent of the
studies in the salmon debate to develop "fish friendly turbines."
Sadly, this is now happening in the sage grouse debate. Even more appalling
is the recent involvement of a section of APHIS, the U. S. Agriculture
Department's predator control activity. Begun in 1931 as Animal Damage
Control, now politely called Wildlife Services, this $30 million annual
activity mostly attempts to insulate ranchers from the cost of and
responsibility for protecting their own livestock from predator damage. This
wanton killing of the public's wildlife includes using snares, leghold traps,
cyanide in M-44's, 1080 poison (now used in certain circumstances), and aerial
gunning from light planes or helicopters.
Wildlife Services is a shadowy or stealthy agency which under a Memorandum
of Understanding with the BLM and USFS handles these killing activities over
about 250M acres of western lands, including the required planning, activity
reporting, poison use permitting, and NEPA documentation and procedures to
comply with statutes. Unfortunately, as this agency attempts to survive under
increasingly critical public scrutiny, the avenues to obtain information about
such activities have been sharply curtailed. Specifically, maps of predator
killing patterns on public lands and the identity of ranchers (cooperators)
receiving such services are no longer available in a timely manner via the
FOIA process. NEPA documentation covers large areas as opposed to more site
specific documentation. This chills discussion of alternatives and cost
effectiveness.
In the quest to perpetuate this killing agency's future and the careers of
its line managers, there is a focus on the expanding "studies" arena. This
includes peddling such killing services to the various western state fish and
wildlife agencies. The sage grouse crisis has arrived with impeccable timing
and a multi-year study has been concocted with the Idaho Department of Fish
and Game Commission. To deflect criticism of a direct contract, in this case
the activity may be laundered through a third party employment contractor.
In southern Idaho this WS activity is tiered to a programmatic 31M acre EA
and is loosely defined in an IDFG Study Plan. This proposed program involves
five to six years and covers about 800,000 acres in six different study areas
in Idaho, including the heart of some of the best sage grouse habitat in the
state. The photos linked at right depict activities in the Sheep Creek Study Area
south of Grasmere near the Nevada border. For the first two years, this will
be a control area, where predation rates will be "approximated" by using
blatantly obvious fake nests. It is paired with the Cow Creek Study Area,
where coyotes, foxes, badgers and ravens will be exterminated for two years.
Then after a year of "rest," the areas will be switched, and WS predator
extermination will be done for the next two years in Sheep Creek.
ANALYSIS
What effects might these clumsy approaches have on research outcomes?
Elevated bait station nests could
- Cause ravens to key in on eating eggs, and to actively seek nests.
- Cause ravens to key in on researcher activities subsequent to egg
feeding as the study unfolds. Researchers will be monitoring nesting hens,
and following transmittered grouse chicks around. In the "Kill" areas,
pre-feeding bait station nest eggs will make it easier for Wildlife Services
to quickly kill ravens with poison eggs in the next step in this "study".
In the "Control" areas like Sheep Creek in the initial phase, Wildlife
Service's placement of poorly concealed ground nests can
- Lure vision-oriented predators like ravens to key in on and seek eggs
and neglect other traditional prey.
- Assist scent-oriented mammal nest predators which can key in on human
scent that they could learn leads to a food reward.
Ravens are smart, trainable, very observant and likely to be highly
influenced by the new and readily identifiable activities of baiting and
monitoring of grouse and their chicks, which could bias data derived from the
study. Data that shows high predation rates is just what Wildlife Services may
desire, as it would be used by WS and the ranching industry to trumpet a need
for more widespread predator killing and further delay changing land use
practices that harm sage grouse habitats. Humans have long known1the
keen eye and opportunistic behavior of ravens - from following wolves long
distances to feast on prey remains; to plundering buried caches of climber's
food on Mount McKinley.
1 "According to Nordic legend, Odin, the lord of the gods,
kept a pair of ravens perched on his shoulders. They were Hugin (Thought) and
Munin (Memory),and he sent them out at dawn to reconnoiter to the ends of the
earth." (See Ravens in Winter by Bernd Heinrich.)