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  • HOME
  • ABOUT
    • Mission and Vision Statement
    • Equality and Diversity Policy
    • Annual Report
    • BSBO Board of Directors
    • BSBO Staff
    • BSBO's Visitors' Center >
      • Visit BSBO
      • Anna Macke Mikolajczyk Window On Wildlife
      • John Gallagher Memorial Birding Trail
    • eNews
    • BSBO Videos >
      • BSBO's 20th Anniversary by Deb Neidert
    • BSBO Blogs >
      • Kenn Kaufman's Crane Creek - Magee Birding Blog
      • BSBO Bird Bander's Blog
      • BSBO Education and Outreach Blog
    • Contact Us
  • Support BSBO
    • Donate
    • Join or Renew
    • Sponsor A Mist Net
    • Year-End Appeal
    • Help BSBO while you shop
    • Our Wish List
    • Birds and Business Alliance
  • RESEARCH
    • Peer-Reviewed Publications
    • Passerines >
      • Passerine Research
      • Prothonotary Warbler Research
      • Building Collision Study
      • Oak Openings
    • Project SNOWstorm >
      • About Project SNOWstorm
      • Meet Buckeye
      • Meet Wolverine
    • Northern Saw-whet Owls
    • Research Highlights >
      • Gray-Cheeked Thrush from Colombia, South America
      • BSBO Bird Bander's Blog
    • Past Research >
      • Colonial Wading Birds
      • Ohio Winter Bird Atlas
      • Shorebirds
    • Reports >
      • Navarre Marsh Annual Banding and Survey Data
      • Annual Project Reports
    • Research Volunteer Form
    • Research Volunteer Page
  • EDUCATION
    • Bird Migration Profiles
    • Family Activities >
      • Free Online Resources
    • Young Birders >
      • Ohio Young Birders Club
      • Young Birders Network
      • Youth Birding Camps
    • Teachers >
      • Songbird Banding and Migration Programs
      • Students Against Balloon Releases
    • Group Programs >
      • Presentations by Request
    • BSBO Bird Knowins
  • Conservation
    • BioBlitzes
    • Bird-safe / Birder-friendly Communities
    • Responsible Wind Energy
    • Conservation Updates
    • Position Statement on Feral and Free-Ranging Cats
    • Habitat Designations
    • Easy Ways for YOU to Support Conservation
    • Breeding Bird Surveys
  • EVENTS & ACTIVITIES
    • Birds at Home
    • Highway Clean-up
    • BSBO's Biggest Week In American Birding
  • NW OHIO BIRDING
    • Responsible Owl Viewing
    • Magee Marsh WA Closures
    • Kenn Kaufman's Crane Creek - Magee Birding Blog
    • Local Birding Hotspots
    • Local eBird Tips
    • Regional Bird Checklist
    • Timing of Spring Migration
    • Timing of Fall Migration
    • Timing of Fall Shorebird Migration
    • ABA Code of Birding Ethics
    • Ohio Bird Alpha Codes
    • Birder Calling Cards
    • Birding Ohio

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Migration is upon us.

4/28/2019

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​Well, after a week of raising our boardwalks out of the drink, last week we were finally ready for the research crew and volunteers to enter the marsh and officially commence banding operations. After being in the marsh for a week prior, we already had an idea of the progression of migration and the species we would catch. But we’ve also had some surprises. This season, more than any in recent memory, has been heavy with Blue-gray Gnatcatchers and we’ve been able to band quite a few. Part of this has been the wind and rainy weather driving them down from the canopy and into the range of our mist nets. Speaking of wind, we’ve also captured an American Kestrel and Sharp-shinned Hawk, who on windy days get forced down from the skies and in range of our nets.
Picture
Male Sharp-shinned Hawk
Picture
Female Yellow-shafted Flicker
As the third week of April began to wane, and Golden-crowned Kinglets and Brown Creepers stopped making appearances, we were in the right time frame to catch some early overflight migrants. These are migrants that typically breed farther south in Ohio, but occasionally get caught up in the overnight winds, overshooting their intended destinations and landing in the lakeshore marshes. Of this group of migrants, we were able to catch a couple of Louisiana Waterthrushes, a Prairie Warbler, and a Pine Warbler (species that are fairly infrequent at the station). 
Picture
Male Prairie Warbler
The Priairie Warbler (pictured left) was banded as a second-year male (a bird hatched in 2018 and now in his second calendar-year). Even from just this picture we can tell that he is an SY based on the faded, ragged condition of his flight feathers and primary coverts, in contrast to adjacent feathers of better condition. These flight feathers and primary coverts are retained juvenal feathers that were grown in the nest last summer and are of lesser quality than those of an adult bird's feathers. Because of this quality difference, these feathers are more susceptible to wear and exposure from the elements, and by spring can become extremely faded and "chewed" up. Contrasts such as this are what we look for when determining the age of birds. 
Even though we were catching birds in the double digits, our first real good day of migration came on Tuesday April 23, when winds shifted to the southwest and we had our first 100-bird-day. With this shift, it was almost as if we were in a whole new marsh! We had our first encounters with Eastern Whip-poor-will, Blue-headed and Warbling Vireo, Scarlet and Summer Tanager, Yellow Warbler, Ovenbird, Hooded Warbler, Northern Parula, and Swainson’s Thrush. And not too long after this we also banded our first Gray Catbird for the season. 
Picture
Male Hooded Warbler
Picture
Male Northern Parula
​As random as migration may appear, through years of research by BSBO, we’ve been able to identify the pattern of migration through the region, and establish when and which species will arrive. This pattern-knowledge is further strengthened by an understanding of how weather affects bird movement. Using this combination we are pretty accurate with our predictions and have a good idea of what to expect each day we head in to the marsh. Thus, we were pretty sure (ok… we knew) that Tuesday was going to be a good day. What’s neat about this understanding is that it doesn’t take away from the magic of migration in any way. Understanding the factors that drive birds and being able to predict their arrivals and departures reveals a pattern of the natural world, making the spectacle that is migration even more fascinating and awe inspiring!

As we come to the close of April we are hoping that the old saying is true: "April showers bring May warblers." We have had quite a few days of rain and wind hammer northwest Ohio, and are interested to see how persistent northerly winds have affected the progression of migration through the region (especially as we head towards BSBO's Biggest Week In American Birding). Current weather forecasts indicate that Wednesday and Thursday, the 1st and 2nd, could be suitable days for migration; bringing in more Yellow Warblers, Prothonotary Warblers, and Swainson's Thrushes, among others.       
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Grab your waders!

4/16/2019

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As long as winter may have felt, the icy winds and snow have quickly faded, and the BSBO research team is back out in the Navarre Marsh, ready to begin operations for the 2019 spring migration season. Well… we were almost ready. With heavy precipitation and strong northerly winds throughout the winter months, the section of marsh the banding station is situated in has been completely inundated by water. We experienced this a bit last year (which aided in catching some of our first-ever Belted Kingfishers), but this year is a whole different level of “flooded.” To best capture birds and sample the movement of different species through the marsh, many of our nets run over boardwalks to get into aquatic habitats such as buttonbush swale. However, the marsh has decided to take these boardwalks for her own and many of them succumbed to the murky waters. For the safety of the birds, volunteers, and staff that work in the station, banding operations could not start until these boardwalks were raised. Thus, a week that could have been spent banding birds and collecting early migration data, was spent waist-deep in the frigid marsh waters, shoving blocks of wood under water-logged boardwalks. Oh what fun!
Picture
The team working to raise the net 23 boardwalk.
Normally, the research team heads into the marsh a week before our (amazing) volunteers begin coming out. Generally we take this time to get things set up, work out any kinks, and get ourselves back in the groove of banding birds. Not so much this year. Instead we spent four and half days elevating platforms (in some instances, literally elevating the whole thing out of the water), rebuilding some boardwalks, and constructing extensions to span formerly dry areas. As grueling as it was, we had a pretty fun few days getting to know the marsh bottom and the boardwalks a little better; days filled with laughs, sore muscles, leaky waders, and some good ol’ fashion marsh ingenuity. 
Picture
Day 1, net 17: "What are we going to do with this thing?"
Picture
Day 1, net 17, far end: "Lets just tip it and screw 4 stacked 6"x6"s to each corner.
Picture
Day 2, net 17, near end: "Lets do exactly what we did yesterday, and hope it's level."
​While we weren’t able to operate during this construction time, we did have any opportunity to receive some new training. In collaboration with Powdermill Avian Research Center and others, BSBO will be affixing radio transmitters to certain species this year as part of a project spanning the Lake Erie shoreline. So while we didn’t get to fully operate the station last week, our research team did learn proper techniques for fitting radio harnesses to birds including sizing, actually fitting a harness to a bird, proper tightness, and positioning. Stay tuned for more on this topic as the season develops! 
Picture
Fitting the radio harness loop around a RWBL's leg.
Picture
Testing the tightness of the secured radio on the RWBL's back.
PictureBlue-gray Gnatcatcher
Finally, after some long, cold days, loads of lumber, and a couple boxes of screws… we were ready to begin banding on Friday the 12th (with the confidence that our feet and nets would stay dry). From being in the marsh earlier in the week, we could already tell from mere observations that there was definitely some good migrant movement occurring in the region. Even though we were a little late to start sampling birds, on Friday and Saturday we were able to catch some remaining Fox Sparrow, American Tree Sparrow, Slate-colored Junco, and Red-breasted Nuthatch.

With most of these “winter” birds leaving, others have rapidly been replacing them and the marsh has been filled with the sounds of Ruby-crowned Kinglet, Brown Creeper, Blue-gray Gnatcatcher, White-throated Sparrow, and Myrtle Warbler. And while not totally unexpected at this time, with shifting winds going into Saturday, we were happily surprised to encounter an Orange-crowned Warbler, White-eyed Vireo, and House Wren. 

Picture
Orange-crowned Warbler, showing just a hint of his orange crown.
Picture
White-eyed Vireo, typically an early over-shoot migrant along the lake shore.
​Similarly to last year (but more so this season), it will be interesting to see how water levels in the marsh will affect bird movement and our ability to catch them in this incredible, ever-changing habitat. One thing’s for sure though… we’re ready to have a great season filled with birds, friends, and new opportunities to learn more about the wildlife we study, and how we can continue to apply our research to conservation. Thank you to all those that make this important research possible by volunteering your time, supporting BSBO and its efforts, and promoting science and conservation.
Picture
Teamwork makes the dream work.
Picture
Don't forget to have some laughs.
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    ABOUT THE
    ​NAVARRE MARSH BANDING STATION

    The Observatory's primary banding station is located in Navarre Marsh behind the Davis Besse Nuclear Power Station on Toledo Edison property. Migration monitoring consists of constant effort mist netting and migration point counts (5 minute counts at 6 locations at the research site). 

    Habitat is remnant beach ridge consisting of canopy trees of Hackberry, Kentucky Coffeetree, and Cottonwood with tremendous under story of rough-leaved Dogwood on the sand ridges. This is similar to the vegetation found on the well-known beach ridge of the Magee Marsh Bird Wildlife Area where the world-famous boardwalk is situated. 

    Two other remnant beach ridge habitats in Northwest Ohio are the Darby unit of the Ottawa National Wildlife Refuge and the Cedar Point National Wildlife Refuge. The Navarre beach ridge is the largest of them all occupying about 370 acres of wetland and beach ridge habitat. 

    The Navarre Marsh Migration Monitoring Station is on private property and not open to the public; however, we are able to give access to research students when special arrangements are made in advance. 

    We'd love to hear from you! Let us know how you like the BSBO Bird Bander's Blog by emailing us at: researcher@bsbo.org. 
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The mission of the Black Swamp Bird Observatory is to inspire the appreciation, enjoyment, 
and conservation of birds and their habitats through research, education, and outreach.


We are located at the entrance of the Magee Marsh Wildlife Area
| 13551 W. State Route 2  |  Oak Harbor, Ohio 43449  |  419.898.4070  |