Tag Archives: Montana

The Big Weekend, Version 3.0, Part One

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Townsend’s Warbler, Glacier National Park.

 

Braden present.

Ever since 2016, the year we did our Big Year, my dad and I have had a tradition of going all out on Memorial Day weekend. That year, with our friend Nick Ramsey guiding us, we raced from Lee Metcalf Widlife Refuge south of Missoula to the Seeley-Swan Valley close to Glacier National Park, picking up a variety of great birds: Black-backed Woodpecker, Ruffed Grouse, American Redstart (not as common for us as for you Easterners), and one of my favorite birds: Common Yellowthroat. The following year, we again focused on our area and racked up 56 species in 3 hours, including a stunning pair of Red-naped Sapsuckers.

This year, when I first heard that I had to go up to go to a Boy Scout camp called Grizzly Base on Memorial Day weekend, I was disappointed. As we grew closer to the date, though, I began realizing two things: Grizzly Base itself could be good birding, and we were only there for a day and a half, leaving almost three more days to bird. For the latter idea, I was thinking we could get up to Glacier National Park; it was pretty close and convenient to where we would be staying. Fortunately, we did even better than that.

The camp was really fun. I learned a lot of things, and got to know the people and place I would be working with this summer. Grizzly Base’s birds were nothing to look down upon either as we spotted more than twenty species including a Bufflehead nest, Townsend’s Solitaires, a Pileated Woodpecker, a Western Tanager and a pair of Wood Ducks.

Early Saturday afternoon, though, my dad and I packed up and set out to bird in earnest.

We followed Highway 2 around the southern border of Glacier National Park. We stopped at a spot for my dad to take a nap, and I was surprised to see and hear several Townsend’s Warblers, along with lots of Yellow-rumpeds and a pair of Rufous Hummingbirds. As we crossed the continental divide, things got drier. First, it was just drier forest; soon we were on the dry northern part of Montana known as the High Line, prairie pothole country. We stopped to photograph a Ferruginous Hawk nest right off the road, and spotted American Avocets, Wilson’s Phalaropes and dozens of ducks in the small ponds we passed.

Ferruginous Hawks are a generally a rare sighting–so finding a nest was amazing!

We also made a list of goal year birds. The three we had just seen were on there, along with as many small birds as possible: Lark Sparrow, Lark Bunting, Clay-colored Sparrow, Brewer’s Sparrow, Chestnut-collared Longspur, Grasshopper Sparrow, Baird’s Sparrow, Sprague’s Pipit. Baltimore Oriole topped our list, as it was on my Top Ten ABA Life needs list, and several had been reported around Malta the last couple days.

As we reached Havre, a large-ish city about halfway through Montana, the long drive was starting to get to us. Not helping was the fact that the road signs kept displaying Malta as at least 80 miles away, and we weren’t sure if we could make it. My dad kept driving, determined as ever.

As we headed east from Havre, the ranches that had been lining the road transformed into crop farms instead; particularly irrigated fields. Red-winged Blackbirds lined the fences and gates, and I casually glanced at every one to verify its identity. Once, as we passed another one, the bird turned away from highway. The back of its head was a large patch of cream, and its back was a brilliant pattern of white.

“Bobolink!! Turn around!!” I shouted as we screamed by.

“What?! Do we have to?”

“Yes!” So we did. That Bobolink, a rare sighting for us, got us to Malta, where our intensive birding would begin.

As more prairie has been converted to farmland, Bobolinks have switched their habitat from tallgrass prairie to irrigated fields.

 

Irruption!

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This year, there are more Evening Grosbeaks than ever at our feeder–but still nowhere near the amount we saw our first year of birding. (photo by Braden Collard)

Braden here.

During our first year of serious birding, my dad and I thought Evening Grosbeaks were common. Every day in fall, if you just walked the block from our house to Rattlesnake School, you would be amazed at the numbers of these boisterous finches gathered there. There were hundreds, maybe even a thousand of them in their drab fall plumage, tearing apart any pinecone unlucky enough to be spotted.

Two years later, during our first major Big Year (which you can read about in my dad’s fall book Warblers and Woodpeckers: A Father-Son Big Year of Birding), we saw only two individuals: a pair we briefly glimpsed up Pattee Canyon while staking out an American Three-toed Woodpecker nest.

How is it possible that we saw tons one year and only 2 another year? Irruption.

Red Crossbills are another boreal finch that has irruption cycles. (photo by Sneed B. Collard III)

When I say irruption, I’m not talking about a misspelled version of the thing happening in Hawaii right now. An irruption is a mass migration of birds (in this case) to a different area, generally south. Finches are the main type of group that has irruption cycles, but many birds that winter in the U.S. and southern Canada, such as Snowy Owls, Rough-legged Hawks, Bohemian Waxwings and Northern Shrikes also irrupt. Irruption almost always results in large numbers of birds appearing in areas where they normally aren’t, however it isn’t historically unusual.

One of the main reasons for irruptions is food supply. For example, when there aren’t enough rodents to go around up north in winter, Snowy Owls will generally move south into Northern U.S. states. Sometimes, if the shortage is extreme enough, the northern birds will extend their ranges past their usual limits and end up in places that are unheard of. During a major Snowy Owl irruption year, for instance, Snowies were found as far as Texas and Hawaii.

Irruptions can occur due to food abundances, too. The year before we experienced the Evening Grosbeak overload probably had pairs producing higher amounts of young than usual. The next year, the young had nowhere to go, since all of the territories up north were filled, so they moved south into Missoula.

While not as big of an irruption year as before, this year’s Evening Grosbeaks are costing us plenty in bird seed! (photo by Sneed B. Collard III)

This year and last year haven’t quite met that first year’s standards yet, but it has seen crazy irruptions for tons of finches. Last winter kicked off with large numbers of grosbeaks and Pine Siskins, while this year Common Redpolls, Cassin’s Finches and (yet again) more grosbeaks are stealing the stage. Who knows what will show up next?