Territorial robin

The robins are back! One decided to set up shop in our front yard.

robin perched on a pine branch facing left

Last year, a pair of robins built a nest on the downspout and raised several babies, so I was excited that we might be able to observe that process again this year. But I haven’t seen that yet; instead, he has spent his time fighting an intruder in his territory. (I am assuming this robin is a male.)

robin in midair with its feet straight up and claws extended

Except the other robin is just his own reflection in our front windows.

silhouette with its head turned to the left and wings outstretched

For several days in a row, rain or shine, for hours on end beginning at 6 am, he would watch the reflection from his spot in the tree, then move in closer and perch on a stick close to the window, then go in for the attack.

Each incident lasted from 2 to 5 seconds, and then he’d fly back to the pine tree and pause for a minute or two, then look both ways, then look straight at the window and start again.

The tree shows evidence of his presence.

pine branch with many bird droppings

This wasn’t just playful; this was feet-up, claws-out wrestling — at least, as much as he can wrestle with a window.

silhouette with wings outstretched, tail down, feet up

Nothing we did to dissuade him worked for the long term. Not putting up more anti-bird-strike stickers, not putting up shiny metal tape, not hanging a screen, not shooing him away from the inside or outside.

silhouette from the side, mouth open, right wing up, left wing down

He just kept coming back and fighting and fighting

silhouette from the left side, wings back, right leg and claws visible

and buzzing by repeatedly.

flying to the right, wings down

flying to the left, wings down

Finally, one day the constant attacks stopped. I imagined he must have admitted to his rival, “You are a worthy opponent.” He’s still around, and every now and then he’ll attack the window-robin once, but that’s it. And on Sunday we saw (and heard) a real skirmish: a robin flew super-fast into the tree and apparently dislodged another bird; they wrestled and screeched in midair, and one flew away.

hovering in front of the window, wings back, feet down

But mostly now he just watches his territory without incident. So far, I haven’t seen a nest; maybe he hasn’t had time to find a mate, what with him being so busy patrolling and all.

back on the branch, facing right, looking left

Learn more about this behavior

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