In Greater Yellowstone, for example, Predator Project found that more than two-thirds (22 out of 30) of the human-caused mortalities of the Yellowstone wolves have occurred outside of the national park, even though the wolves have spent the majority of their lives within the park's borders.
Victory for Argyle, who also took a point off Wolves at Home Park on the first of day of the season, has lifted them five points clear of danger.
The case stems from a December 1997 ruling by Wyoming District Court Judge William Downes that the wolf reintroduction program in Yellowstone and central Idaho is illegal and that all wolves in the park must be removed.
Houllier was named the new Villa manager on Friday but his commitments as technical director with the French Football Federation mean he is unlikely to take charge of a Premier League game until 26 September when neighbours Wolves visit Villa Park.
BBC: Aston Villa secure Gary McAllister as assistant manager
In 1995, the federal government approved the re-introduction of wolves into Yellowstone National Park, just north of the Tetons and Jackson Hole.
The appeal of a court decision to remove reintroduced gray wolves from Yellowstone National Park and central Idaho, postponed because of illness, has be rescheduled for July 29.
Environmentalists were supposed to have their day in court in May to appeal the 1997 ruling by Wyoming District Court Judge William Downes that said the reintroduction of wolves into Yellowstone National Park was a violation of the Endangered Species Act.
Having more wolves has helped rebalance the park's ecosystem.
CNN: Planet in Peril: Environmental Coverage - Special Reports from
In 1995, the first batch of gray wolves was reintroduced to Yellowstone National Park as part of a controversial reintroduction program.
Sixty-two wolves were released into Yellowstone National Park and central Idaho in 1995 and 1996 as part of an experimental reintroduction program.
The park's keeping of wolves has attracted criticism in the past from campaigning group OneKind, formerly Advocates for Animals.
Ranchers around the Park started losing livestock to wolves.
The wolves gained protected species status in the mid-1970s and about 20 years later, U.S. wildlife officials submitted a plan to reintroduce the wolf into the park, starting with 31 wolves let loose in Idaho.
CNN: Planet in Peril: Environmental Coverage - Special Reports from
Using a combination of radio-tags and direct observations, the researchers analysed 94 wolves as they hunted elk in Yellowstone National Park, Wyoming.
Douglas Richardson, animal collection manager, said wolves had been an "iconic" animal at the park since 1972.
The zookeeper was a longtime employee at the wildlife park and had worked with the group of wolves since they were born, the zoo said in a statement on its website.
In the 1990s, 14 wolves from Canada quickly reproduced after they were released in Yellowstone National Park in north-west Wyoming.
Predator Project found that wolves rarely survive outside of the three core recovery areas: Yellowstone National Park, central Idaho and Northwest Montana.
Both wolves and moose found it easier to travel along the shoreline of the island park during heavy snow conditions.
Last year Wolves boss Mark McGhee was so unimpressed with his side's lacklustre efforts on the park that he asked the players to cut their drinking down.
The former Oxford, Wolves, Oldham and Stockport frontman could make his debut against his hometown club Burton Albion at Vale Park on Tuesday.
BBC: Craig Davies happy to play for Micky Adams at Port Vale
The defeat continued a miserable sequence away from Upton Park, with West Ham's last away win in the Premier League coming against Wolves on the opening day of last season.
Wolves moved four points clear of the bottom three, but were denied a first win at Villa Park in 30 years despite Jody Craddock's bundled 23rd-minute equalizer and an own-goal from England international James Milner seven minutes before halftime.
Now six weeks old, the wolves have still to be sexed by staff at the Royal Zoological Society of Scotland's Highland Wildlife Park at Kincraig.
应用推荐