Species of Concern: Loggerhead Shrike

Loggerhead Shrike
Loggerhead Shrike
When I bird in Florida, I’m ever scanning fence posts and power lines in hopes of seeing Loggerhead Shrikes. 
Shrikes are predacious songbirds, but that’s not very exceptional—so are chickadees, robins, and bluebirds, the insects and worms they eat being very much animals. Shrikes feed on small lizards, birds, and mammals as well as insects, but so do some crows, ravens, and even large flycatchers. The difference is that shrikes eat meat almost exclusively, with physical and behavioral adaptations unique among songbirds. The hooked beak tip and sharp notch near the tip help grab and sever the spinal cord of small vertebrates. When a shrike bites off more than it can chew in one meal, so to speak, it can impale whole prey or parts on thorns or barbed wire, or wedge it into the fork of a branch, both for easier killing and for longer-term storage. This habit led to the family nickname, “butcherbirds.” 
The proportionally large head of all shrikes is particularly highlighted in the Loggerhead Shrike’s name, a synonym for “blockhead.” Of the 30 or so species in the family, only the Loggerhead is entirely restricted to North America. It’s a little smaller and daintier than the Northern Shrikes we see up here in winter. And Loggerhead Shrikes eat fewer rodents and birds, focusing heavily on grasshoppers.


Loggerhead Shrike
Loggerhead Shrike eating grasshopper

Loggerhead Shrikes used to be fairly regularly seen in southern Wisconsin and Minnesota, but they declined drastically through the last half of the twentieth century. They’ve essentially vanished from the northeastern part of their range and continue to decline everywhere else. The subspecies on San Clemente Island in California is listed as endangered on the federal list.
Breeding Bird Survey numbers:
Loggerhead Shrike decline in Wisconsin
Breeding Bird Survey numbers:
Loggerhead Shrike decline in Minnesota

I’ve visited Florida almost every year since our son Joe moved there in 2003. I have a much harder time finding them now than I used to down there, and the steep decline shown in Breeding Bird Survey numbers for Loggerhead Shrikes in Florida between 1966 and 2010 bears graphic testament to my experience. I find it endlessly frustrating that despite the dramatic decline virtually everywhere, they aren’t on the federal list for endangered, or at least threatened, species.


Breeding Bird Survey numbers:
Loggerhead Shrike decline in Florida
Breeding Bird Survey numbers:
Loggerhead Shrike decline in United States

Russ and I had a pretty close encounter with a nesting pair back in 2006. I got plenty of photos, though this was before I had a high quality camera. Because they were nesting in an area with heavy foot traffic and we were quiet and unobtrusive, they pretty much ignored us. 

Loggerhead Shrike
Russ and I watched this breeding Loggerhead Shrike at a Nature Conservancy/Disney
property in Florida in 2005.

Overall, Loggerhead Shrikes seem a little calmer in the presence of gawking birders than Northern Shrikes usually are, but even they are a bit skittish. In January I came upon one while on a pleasant drive from Titusville to New Smyrna Beach in Florida. It had caught a large grasshopper and was starting to eat it. I stopped momentarily when I spotted it and snapped a few photos from my car window, but I did not want to risk frightening off the little predator, especially since he might have lost the morsel, so I drove on. We humans haven’t left them much space and our pesticides kill many of their prey, but these handsome songbirds deserve our respect and affection.


Loggerhead Shrike
Loggerhead Shrike with grasshopper

5 thoughts on “Species of Concern: Loggerhead Shrike

  1. Jenny

    Those graphs make for depressing reading Laura. )-:
    Over here across the pond, we’ve managed to virtually make the Red-backed Shrike extinct in Britain. It’s barely hanging on in certain closely guarded areas! I hope it doesn’t come to that in the US for the Loggerhead Shrike!

    Reply
    1. mc

      12/12/2014 hi laura I hope this helps a bit im a keen birder from the uk and have just returned from florida today I took the tri star train from fort Lauderdale to Miami international airport and being without a car had to look out from the train! we have a similar species here in the winter called the great grey shrike and when I saw them thought you had them too! obviously doing a bit of research realise they were loggerheads I was on the left side of the train and saw no less then 4 spaced at intervals perched on the wires of the power lines from just outside Lauderdale to just before Miami int -it was obvious that the train line vegetation and scrubby nature really suited them -some clearance had gone on but as its so industrial etc this band of veg and the wires obviously suit them =just wanted to give you some info as I think if the veg could be protected a bit then there would be breeding loggerheads here -please do take a ride and hopefully you can confirm this its only 3 bucks too!! best of luck as we lost are breeding red backed shrikes due to egg collectors -you still have time .xxx

      Reply
  2. rob sabatini

    I photographed a nice loggerhead shrike this weekend on Merritt Island reserve. It was perched on a sign and I had no idea what it was. If you’d like to see the photo let me know.

    Reply
  3. raecine shurter

    I live on the Kissimmee river in Florida and came across this site while looking for predators of the Lubber grasshopper. I will now keep my eyes and ears out for the Shrike. Do you know of any way to attract them to an area? Ive got plenty of grasshoppers and don’t use poisons.

    Reply
    1. Laura Erickson Post author

      I don’t know any ways–the species is declining. But with luck they’ll find your place and get to work on those grasshoppers!

      Reply

Leave a Reply to Laura Erickson Cancel reply