Federal officials Tuesday rejected a request to
remove the acuna cactus from the endangered species list, but said they will
give further consideration to a petition to delist the Southwestern willow
flycatcher.
Those
were two of eight species in Arizona that were part of a batch of preliminary
decisions released by the U.S. Fish and Wildlife Service on 29
species across the country.
The
service said there was enough evidence to advance 16 of the 29 to a “rigorous”
12-month review process to see which ones will be added to, stay on or fall off
the list.
“The
petition is the first step in evaluating whether something warrants protection
under the Endangered Species Act,” said Jeff Humphrey, a Fish and Wildlife
Service spokesman for the Southwest region.
Six
species in Arizona did not make the cut for further consideration – which is
what saved the acuna cactus – but the service said it will review the petition
to add the Western bumblebee to the endangered list.
Acuna cactus stays on endangered list
Tierra
Curry, senior scientist at the Center for Biological Diversity, said it’s not
surprising that the acuna cactus will stay on the list, noting that climate
change has made the desert hotter and drier. The cactus was only recently added
by the Fish and Wildlife Service in 2013, when the known population of the
small, barrel-shaped plants had dwindled to just 3,600.
The
acuna cactus was added to the Endangered Species List in 2013, by which time
its numbers has dwindled to about 3,600 plants, documents say. (Photo:
Barry Rice)
Curry
said the Center for Biological Diversity was “definitely going to oppose” the
delisting of the Southwestern willow flycatcher during an upcoming public
comments period. The bird that has been listed as endangered since 1995.
The
Fish and Wildlife Service said it received a petition from multiple groups
seeking to delist the bird, and decided that there were substantial challenges
to the bird’s scientific classification that merited another look. The
flycatcher is found in the Southwest and breeds in trees and shrubs by rivers,
swamps and wetlands, according to the service.
“I
think that’s definitely a bad decision,” Curry said of the plan to move forward
on the flycatcher.
“Rivers
in the Southwest have never been more threatened,” she added, noting dropping
water levels and high demands from a growing human population.
The
requests on the cactus and the flycatcher were the only ones to delist species
in Arizona – the other six all sought to put plants, animals or insects on the
list.
Western bumblebee might be endangered
The
service rejected five of those six, but agreed to consider the petition for the
Western bumblebee. The bee was once one of the most common bumblebee species,
according to the Fish and Wildlife Service, but its populations have declined
in the past 20 to 30 years, especially in the West.
The
service said there were substantial findings that disease, pesticide use and
climate change, among other factors, have impacted the species.
Petitioners
sought emergency listings for the Arizona wetsalts tiger beetle and the
MacDougal’s yellowtops shrub, amid fears that proposed development near the
Grand Canyon threatened to destroy their habitat. But the development was
rejected, putting the beetle and shrub out of harm’s way, Curry said.
She
said that the service’s decision to not move forward on petitions for two
lizards and a silkmoth was likely due to inadequate information to prove they
were threatened.
The
Fish and Wildlife Service has been deciding the fate of more and more petitions
in batches in the past two years in an effort to increase efficiency, Humphrey
said. Additionally, environmental and advocacy groups have been filing
petitions in batches, he said.
He
said the service is trying to release results three or four times a year, with
the next set of petition decisions likely to be released around May.