March Roundup of New Research

Spring is here and a bunch of wildlife surveys are underway around the country.

In Delaware:
-It’s the fifth and final year of the Delaware Breeding Bird Atlas.
-A special effort is being made in 2012 to tally owls as part of the atlas.
Horseshoe crabs are being tallied again, and volunteers are being trained.
-The annual osprey count is offering a volunteer training for the first time since 2007.

Maryland is two years in to four years of surveys for an amphibian and reptile atlas and is looking for volunteers.

In Kansas, they are searching for lesser prairie chicken breeding areas, or leks, from the air with helicopters. Field crews will train on March 29-31 and conduct official survey work across all of western Kansas until the middle of May. The Kansas Department of Wildlife, Parks and Tourism is also asking people to report leks. The survey is part of a five-state effort, and the survey technique will be evaluated.

In North Dakota, the Game and Fish Department has launched a two-year study of white-tailed deer in intensely farmed agricultural areas.

In Maine, biologists at the Department of Inland Fisheries and Wildlife have visited up to 100 dens each winter for 37 years, making the survey in the nation’s oldest radio-collar monitoring program for bears. This year the Maine Sunday Telegram wrote a story about it, with lots of pics. Read it here.

And in Washington, commuters have been reporting wildlife sightings for over a year on the I-90 corridor in anticipation of road improvements. The project’s first annual report was released recently, generating articles in the Everett Herald  and The Seattle Times, and coverage other media.

Photo of I-90 Wildlife Watch billboard by Paula MacKay/Western Transportation Institute, used by permission.

March Wildlife Disease Roundup

Things have actually been pretty quiet over the past month when it comes to wildlife diseases. The big news, of course, is white nose syndrome in Alabama, but there have been a few other stories worth noting.

Rabbits can get prion diseases. Once it looked like they were immune to diseases in the family of mad cow and chronic wasting disease, but the latest research shows they can get it. (See the original paper in the Proceedings of the National Academy of Sciences.)

At least one frog species, the Pacific chorus frog, is a carrier of chytrid fungus, a recent study found. Read the LiveScience story via MSNBC. The study was published recently in PLoS ONE, read it here. Or read the San Francisco State University press release, here.

A wolf suffering from parvovirus was discovered in Idaho. Parovirus effects all canids, including domestic dogs. There is a vaccine for the disease available for dogs. Read the Idaho Department of Fish and Game press release here.

Also, there has been an outbreak of canine distemper in gray foxes in Michigan.

For birds:
The red tides on the Gulf coast of Texas have caused the deaths of redhead ducks.
The death of eider ducks on Cape Cod (Massachusetts) has been pinned on a virus, named Wellfleet Bay virus.
Ten wild turkeys were found dead from avian pox, a virus, in southeast Montana.

Finally, back in late February, brucellosis, a cattle disease, was found in elk in Montana.

Photo: A Pacific chorus frog. Credit: Joyce Gross

Ranavirus Hits Maryland

An “alarming number” of tiny box turtles have been found dead in Maryland during a highway-construction relocation study, The Washington Post reports. The cause of death for 26 of the 31 turtles found dead is ranavirus, which shows measles- or herpes-like symptoms in reptiles and amphibians, the article reports.

The virus has also effected local frogs and salamanders, but turtles are the big concern because they breed much more slowly, the article says.

Scott Smith, a wildlife ecologist for Maryland’s Department of Natural Resources, is quoted in the article twice, including:

Smith of the Natural Resources Department said state wildlife officials are so concerned that they have applied for research funding from the Association of Reptile and Amphibian Veterinarians. State budgets are too strapped to fund the necessary research, he said.

Read the entire Washington Post article, here. It includes a link to a video of a gasping box turtle. Seriously.

This Extinction Countdown blog post from Scientific American from 2010, points to these journal articles on ranavirus:
2010 – Animal Conservation
Archives of Virology
Journal of Wildlife Diseases

Photo: Box turtle by Laura Perlick, courtesy of US Fish and Wildlife Service

Spring research round-up

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Black duck
The New York State Department of Envirnmental Conservation and the New York Cooperative Fish and Wildlife Research Unit (located at Cornell University) are conducting two black bear research projects in south-central New York this season. One study will estimate bear population density using a genetic (DNA) identification technique. The other will study bear movements and habitat selection in core bear ranges and fringe areas. Read more.
Also this spring, the NJ Department of Environmental Protection Division of Fish and Wildlife’s Endangered and Nongame Species Program is teaming up with Montclair State University and the Conserve Wildlife Foundation of New Jersey for the state’s first broad-based scientific study of chytrid fungus. The study seeks to find out if chytrid fungus is having an impact on the state’s amphibian populations. More info from the State of New Jersey.
This winter the Massachusetts Fish and Wildlife Department studied black ducks along the state’s coast. The department is concerned about the birds because their numbers have been declining. Read about the study in this article from the Cape Codder, via the WickedLocal Eastham blog. The study will continue for three more years.
The Indiana Department of Natural Resources, Division of Fish and Wildlife recently completed catfish research in the Wabash River. There had been no harvest limits on large catfish in the state, and the public had expressed concerns about fishing pressure. The state is looking into regulating the fishery. Some info on the regs from the Indiana General Assembly. A report on catfish in the Wabash River.
Photo: US Fish and Wildlife Dept.