Canada Geese and the Ones That Aren't
Okay, so we're leaving ducks behind now and moving into the big birds, and I want to start with Canada geese because everybody thinks they already know this one. And mostly you do. But there's more going on out there than you'd think, and this is where people start missing things because they stop looking once they've decided "oh, it's just a goose."
Here's my opinion, and it's not a popular one to have to repeat every single lesson, but I'm going to anyway: slow down and stop talking, including me. Canada geese are the bird people write off fastest because they're everywhere, they're loud, they're on every pond from here to the point of the mountain, and familiarity makes people lazy. Don't be lazy about the geese. Some of the best stuff I've seen has been standing at a goose flock a little too long after everyone else moved on.
What you already know, confirmed
Canada goose: long black neck, black head, white chinstrap, brown body. Loud. Honks. Flies in a V, or a ragged line that wants to be a V and isn't quite making it. You know this one from every park pond you've ever walked past. Fine. Good. That part of your brain is correct.
But there are two things I want you to actually pay attention to this winter, because they'll save you from a mistake I made more than once.
Size variation will mess with you
Canada geese come in different sizes depending on the subspecies, and out here on the same pond you might see what looks like a full-size goose next to one that's noticeably smaller, same markings, same chinstrap, and you'll think you found something rare. You probably didn't. There's a lot of natural size range in this bird, and unless you're deep into subspecies identification, which honestly I'm not, the size thing alone isn't enough to call something different. Note it, don't panic about it.
The real trick: look for the ones that AREN'T Canada geese
This is the actual lesson. Once you've got Canada goose locked into your eye, so it's boring, so you can pick it out without thinking, that's when you start noticing the bird in with them that's shaped a little differently, or a little too white, or moving in a way that doesn't match.
A few things that show up mixed in with Canada goose flocks around here in winter, especially on bigger open water:
- Snow geese. All white with black wingtips, or a gray "blue morph" version. If you see a pure white goose in with the brown-and-black Canadas, stop and really look. These show up in flocks sometimes, usually in with a big group, not alone.
- Cackling geese. This is the one that gets people, because it looks almost exactly like a small Canada goose, same coloring, same chinstrap, but the whole bird is compact, the neck is shorter and stubbier, the head is rounder. It's genuinely hard. I'm not going to pretend I nail this one every time.
- Domestic or hybrid geese. Ponds around here, especially the ones near parks where people have been feeding birds for years, sometimes have odd white or mixed-color geese that are descended from domestic stock. These aren't rarities, they're just leftover barnyard genetics. Good to recognize so you don't get excited over nothing.
How to actually practice this at home, or rather, at the pond
You don't need special gear for this, just patience. Here's what I'd do:
- Find a spot with a decent-sized goose flock, twenty or more birds, resting or feeding on grass or water.
- Don't scan quickly. Pick one edge of the flock and slowly work across it with your eyes or your binoculars, bird by bird, instead of looking at the whole group at once.
- Look for anything that breaks the pattern: a bird that's whiter, smaller, shorter-necked, or standing or swimming a little apart from the rest.
- When you find something odd, watch how it moves before you decide what it is. Same rule as always. Shape and behavior first, color second.
That last one is the whole class in a sentence, honestly. I keep saying it because it keeps being true.
A caution worth saying plainly
Canada geese can get genuinely aggressive if they've got goslings nearby or feel cornered, hissing, wing-flapping, coming right at you. That's a spring and summer problem more than a winter one since there won't be goslings this time of year, but a big flock on a frozen pond can still spook and come up all at once with very little warning, and that's a lot of large birds moving fast close to your face. Just give them room. Don't walk into the middle of a resting flock to get a better photo. Let them come to you, or don't, and watch from a comfortable distance instead.
The harrier moment, because it belongs here too
I'll tell you, the day I finally figured out the difference between a northern harrier and a rough-legged hawk, it wasn't from a book, it was from watching one tip side to side in flight like it had had one too many, this loose wobbly rocking thing that a rough-legged hawk just doesn't do. Once I saw it I could never not see it again. That's what I'm hoping happens with you and the geese. Right now they're all just "goose." Give it a few weeks of actually looking and you'll start seeing the wobble, so to speak, the thing that doesn't quite fit, without even trying.
Before next time
Next time you pass any goose flock, even just driving by, take fifteen extra seconds and really scan it instead of clocking it as "geese" and moving on. See if anything looks or moves a little different. That's the whole assignment.