Happy Fourth of July!
The bald eagle serves not only as a national symbol, but also as a conservation success story. Bald eagles were at high risk for extinction in the early 1900’s due to habitat destruction, illegal shooting, and contamination of their food sources. They have since made a comeback both in Wisconsin and across the United States through the Bald Eagle Protection Act, federal listing under the Endangered Species Preservation Act, the banning of the pesticide DDT, and conservation actions by the public. Over the last 40 years, they have recovered from the brink of extinction and their range has expanded to 71 out of 72 counties in Wisconsin. There are plenty of ways for anyone who is interested to continue supporting bald eagles in Wisconsin and across the country. Members of the public can purchase an endangered resources plate or participate in the Adopt an Eagle Nest program. More suggestions from the American Eagle Foundation can be found here!
Check out some of our favorite bald eagle photos captured on Snapshot Wisconsin cameras from across the state!
On Friday, April 12th, Snapshot Wisconsin volunteer John came across something extraordinary. After making routine checks of his elk cameras in Black River Falls, he headed home to upload his photos. During the standard process of review and classification, one photo in particular stood out amongst the sea of deer and turkeys. John recognized it immediately. “That’s a big white crane with a red head!” he exclaimed. “Woah, this is a whooping crane!”
John knew how rare they are, having only seen them at the International Crane Foundation in Baraboo. That was 30 years ago, when his kids were young. John wanted to verify his discovery before sharing his excitement with the Snapshot team. “I went to my smartphone to verify that I was seeing the correct animal, and I said, ‘Yup, that’s a whooping crane!’” Sure enough, not only had John captured a rare species, but he had photographed the first whooping crane in the history of Snapshot Wisconsin.
He couldn’t believe how spectacular the image was. “It was a beautiful photo! It was at 8 in the morning, and it must have just landed. It had its wings up – it looked like it was dancing in front of the camera! I thought wow, what a perfect picture.”
John has been involved in the project for one and a half years, and currently maintains five cameras in the Black River Falls elk reintroduction area. John’s passion for the outdoors and interest in Wisconsin elk motivated him to become a Snapshot Wisconsin volunteer after retirement. “I like to get out into new locations and explore. It’s kind of a spiritual experience for me to be in the outdoors.” He also appreciates the opportunity to stay active. “I get a little exercise. I don’t like to be on a treadmill, I would rather be walking in the woods and seeing things. [Snapshot Wisconsin] is a good fit for me.”
When asked about his favorite part of participating in Snapshot Wisconsin, John shared that he enjoys being in the woods, seeing the wildlife and exploring new areas. He also welcomes the challenge of finding his camera sites. “Navigation is challenging,” he explained, “finding a camera based on a certain grid coordinate is kind of exciting.”
Capturing the memorable photo of the whooping crane has only added to John’s experience as a volunteer. “I’m glad I got an animal that was interesting. I have gotten bear, wolves, and bobcats [and] of course a lot of deer and turkey. But the whooping crane was kind of the icing on the cake. I am looking forward to getting other interesting animals.”
John also recognizes how this whooping crane sighting is significant in terms of the conservation of this endangered species. When asked what it means to him to be a part of this crane’s story, John said, “It’s kind of interesting. I think my job is kind of small but sometimes it ends up being a big production. It shows how small the world is and how everybody can make a difference no matter what they do.”
The goal of the Southwest Wisconsin CWD, Deer and Predator Study is to comprehensively examine factors that could impact deer survival and deer population growth in southern Wisconsin. Those include Chronic Wasting Disease, predation, habitat suitability and hunter harvest. In late May and early June, members of the Snapshot Wisconsin team had the opportunity to help out with the project’s spring fawn search. Snapshot staff joined the CWD team and volunteers from across the state to search for fawns in the study areas near Dodgeville.
On each day of the 3-week survey, DNR employees and volunteers assembled into a line spread fingertip to fingertip to sweep across the survey area. It takes a keen eye and diligent searching to spot a fawn, as newborn fawns can be as small as a football. When less than 5 days old, fawns stay bedded down and in hiding amongst tall grass and brush. Does often leave their fawns for hours at a time to give the fawn a better chance of survival.
When a staff member or volunteer came upon a fawn, they rested their hands on the fawn’s back to gently keep the fawn from getting up. A children’s sock was then placed over the fawn’s eyes to keep it calm as DNR employees promptly fitted the fawn with ear tags and a radio collar. These collars are made of elastic material with pleats sewn into them that pop, expand, and eventually fall off as the fawn grows – usually within 18 months. Important information such as the fawn’s sex, weight, and rear leg length was recorded before carefully placing the fawn back where it was bedded down.
The Snapshot Wisconsin team learned a lot about fawns, CWD, and how the Southwest Wisconsin CWD, Deer and Predator Study gathers valuable data about white-tailed deer. This unique fieldwork opportunity also gave our team an up-close look at the wildlife we usually see in trail camera images!
For more information, please visit the Southwest Wisconsin CWD, Deer and Predator Study’s webpage.
Check out these other Snapshot Wisconsin blogs related to the project:
1) Southwest Deer and Predator Study
2) In the Field with the Southwest CWD, Deer and Predator Study
On our way up north for a recent outreach event, Taylor_Peltier and I swung through Black River Falls to check two Snapshot Wisconsin cameras deployed for the elk reintroduction project. Black River Falls, located in central Wisconsin, is one of the three locations where Snapshot Wisconsin has a dense network of trail cameras to monitor the reintroduced elk populations. Trail cameras support data needed to make management decisions at the WDNR, all while capturing captivating photos of local wildlife.
Being relatively new to the project, this was my first time doing fieldwork – and I couldn’t have been more excited! While our amazing Snapshot volunteers do the majority of fieldwork, we never shy away from an opportunity to get out in the woods as well. We suited up and grabbed our gear: a handheld GPS with coordinates entered for each camera site, swamp boots, bug nets, and camera equipment. We replaced one camera at the previously utilized camera site and moved the other to a better location, free of tall ferns and at the intersection of three wildlife trails. This was great opportunity for me to gain experience in the field and I look forward to future fieldwork opportunities!
July’s #SuperSnap features a mother opossum, called a jill, carrying her babies, called joeys, on her back! Joeys are quite small when they are born, only about the size of jelly beans (source). The joeys continue to develop in their mother’s pouch until they are large enough to ride along on her back, as we see here. Thank you to @enog for nominating this series!
Continue classifying photos on Zooniverse and hashtagging your favorites for a chance to be featured in the next #SuperSnap blog post. Check out all of the nominations by searching “#SuperSnap” on the Snapshot Wisconsin Talk boards.
As we proceed through Wisconsin’s four seasons each year, you may appreciate the sight of colorful songbirds in springtime and notice the distinctive V-shape formation of Canada Geese as they fly south in the fall. These species are referred to as “migratory birds”, or populations of birds that travel from one place to another at regular times during the year.
Why do birds migrate?
Birds migrate in search of resources needed for their survival. Migratory birds primarily pursue sources of food or nesting locations to raise their young. In Wisconsin, we see an influx of bird species in springtime as warm weather returns and insect populations increase. As temperatures begin to drop in the fall, food supply dwindles and the birds fly south.
How do birds migrate?
Scientists believe there are many factors that trigger the migration of bird populations. Birds respond to changes in their environment such as day length, temperature, and availability of food resources. Additionally many birds go through hormonal changes with the arrival of new seasons. These hormonal shifts may affect your caged birds at home, you may recognize restless behavior in spring and fall. This restlessness around migratory periods is referred to as zugunruhe.
It isn’t fully understood how birds have developed such impressive navigation skills, but there are several factors that guide them. Birds can use directional information using the sun, stars, and even earth’s magnetic field. Landmarks, position of the setting sun, and even smell plays a role for various species.
How do scientists study migratory birds?
Several methods have been developed to track and study migratory birds including banding, satellite tracking, and by attaching geolocators to individuals. At Snapshot Wisconsin, trail cameras are now being added to the list of tools! Using preliminary data gathered from Zooniverse, the below slideshow shows the detections of Sandhill Cranes on Snapshot Wisconsin cameras throughout the year. The study of migration can be immensely beneficial for conservation efforts by pinpointing wintering and nesting locations to monitor potentially threatened or endangered populations.