Showing posts with label raptors. Show all posts
Showing posts with label raptors. Show all posts

Thursday, February 14, 2013

Territorial dispute

The paths at Reifel Island Bird Sanctuary lead mostly between channels and ponds, with birds on both sides of us, but the from the outer stretch, the water is far away. From the path to the shore, the land is flat, an impassible (and out of bounds) barrier of brown, tall grasses and cattails, broken only by stumps and logs. At the far, blue end, we can see, often, flocks of geese or swans, just white specks in the distance. Boats go by, at times looking oddly as if they were sailing in the reeds. In between them and us, hawks patrol the wetlands, hunting.

Google map, colorized. Blue = Georgia Strait, brown = hawk hunting grounds.

Last week, we were watching a Harrier*, far enough out to be just a swooping speck. We still made the attempt to take photos; you never can tell. And while we watched, another hawk challenged the first one's ownership.

Unidentified hawk, and Harrier, recognizable by the white patch on the upper rump.

Hawk #1 chased the intruder off to the edge . . . 

. . . where she perched in a tree. (Juvenile Cooper's?)

Hawk # 1 took a lower branch in the same tree. "My tree!" said Hawk # 2, and proceeded to attack. She took to the air, making figure 8s, up to the left, turn and dive, up again to the right, turn and dive.

On the downward swing.

Caught her at the turn.

Over and over, she repeated her attack, for over five minutes.

At the outer tip of the 8. With a boat on the river to the north.

In the end, one gave up. We couldn't tell which; all we saw was the tail end speeding out of the tree and away.

Vanquished rival, at the tree tops on the lower center-left.

And the winner went back to cruising the outer shoreline, looking for supper.

*At least, I think Hawk # 1 was the Harrier. At the time, we thought it was an osprey, but then I checked out our photos.

A Skywatch post.

Saturday, October 15, 2011

Watchbird

This is the first Peregrine Falcon I have seen in the wild, as far as I know. He was sitting in a dead tree above the path this afternoon, at Reifel Island. A passing photographer pointed out his usual tree to me; I'll be looking for him there in future trips.

A disapproving stare; I was making too much happy noise.

Keeping his eye on us, over his shoulder.

Between the two of us, we took over 400 photos. And another couple of hundred the afternoon before at White Rock. We were taking advantage of two sunny days in a row, a welcome change.

But it's going to take me several days to sort them out; I'll post big-footed coots and amorous mallards tomorrow.



Thursday, July 22, 2010

A visit to O.W.L.

Sarah, the barn owl, would greet visitors to her home, if only she weren't so drowsy. While we stood in an admiring circle around her, she opened her eyes briefly, then nodded off again.  An owl needs her beauty sleep!


Sarah, off duty. She is an educator, working with children in the schoolroom.

We, Laurie and I and a couple with a young son, were in the office of O.W.L., the Orphaned WildLife Rehabilitation Society. Our guide, Rob, explained the operation of the society while Sarah slept on her perch by the window. Staff members and volunteers came and went, discussing schedules and the needs of their charges. A chart on the wall keeps track.


I counted 107 raptors presently on the site. The chart divides them into groups; 4 severely injured birds at present in Intensive Care,  some in interim cages, training cages, flight cages. There are flight training sessions in store for red-tailed hawks and a pair of great horned owls. Another section lists the birds soon to be released. The last column names the permanent residents; some are educators, trained for visits to schools and other field trips; the others are unable to be released because of some severe disability. These last are the ones we would be visiting.


Rusty, rough-legged hawk. He was hit by a car and has a broken wing.

O.W.L. takes in injured raptors, mostly from the Lower Mainland, up to 200 per year. It has full medical facilities and a variety of recovery and training cages, and is building a pool cage, where eagles and osprey can recover their fishing skills before release.


One of the outdoor cages, housing three short-eared owls. On hot, sunny days, the birds sit far back in the shade, making photography difficult.



Gunther, Ariel, and Willow. Peregrine falcons. One has been shot; another has had part of a wing amputated.


Sampson and Delilah. Great grey owls. Both hit by cars. Delilah has a blind eye.


Demon. A barred owl. Hit a window in a high-rise building. Brain damaged.
He was called Demon because when he is upset, he flies at you with his head upside down, due to his lack of muscle control, a direct result of his injury. A lot of times he sits with his head at a kind of an odd angle and he has been known to fall off his perch because his lack of balance after falling asleep. We have to put his food on the same perch all the time or he cannot find it.
That makes me worry about the occasional sparrow or chickadee that hits my windows.


Mirage, a Gyr-Peregrine falcon cross. Bred for a falconer's bird, broke her wing and never recovered.


Mirage again.


Either Kermit or Piggy, Snowy Owl. Both birds were hit by planes. I never saw a bird smile before!


Turkey vulture, one of three, Pepe, Precious, and Chuck.
It is a daytime bird with a very keen sense of smell, sight and hearing which enables them to find food by sight and also smell food (parts per trillion) from great distances. Its digestive system has the unique ability to kill any virus or bacteria it ingests. This is apparent in its droppings as there is no sign of any type of disease.
I was glad to see the turkey vultures so close, but they moved around all the time, and we couldn't get a clear photo. Rob told us to notice their nostrils; the holes in the upper part of the beak. Unlike all other birds, these nostrils have no central "wall"; from the right angle, we could see daylight on the far side. This allows a better capture of the smell of rotting meat.

He also explained the bald head; the vulture often buries his head in the rotten carcass he's found. (On the road, as we saw up the Sunshine Coast, maybe.) If he had feathers, they would come out carrying a load of bacteria and maggots. The bald head dries quickly and sheds the offending critters.


Turkey vulture, acting shy.

On our way out, in response to a question from the other couple, Rob mentioned that the BC government has cancelled their annual grant; O.W.L. is just one more of the environmental agencies that the provincial government has defunded, in their misguided "austerity" measures. They may have to shut down operations, after 25 years of caring for these beautiful birds.

"What will happen to the birds?" I asked. They will try to find adoptive homes for as many as possible, Rob says. Some will be released, as they are now when they are ready. And some, not able to survive on their own, will probably have to be euthanized.

But first, the society is trying to raise money from private individuals. There's a button on their home page for donations; if you can help, please do.


Wooden owl, guarding the entrance to the cages.

*Update: Larry, at the Birder's Report, has a post about a rehabilitation centre in California. Great photos, and more details about the operation of these organizations. Check it out.

Wednesday, March 21, 2007

So Sad! And a warning: keep a lookout for this.

I'm passing on a message from Bill of the Birds about another of those horrible "unintended consequences".

"... hole-punched sign posts could be inadvertently deadly to perching raptors.

... the owl was suspended by a single talon that had apparently gotten caught in the top hole of the post. Clearly the bird flew in and perched on top of the post. Then, when it tried to leave, found itself caught by a talon through the hole. It had struggled to free itself, and likely starved to death.

... And they asked us at BWD to help spread the word about the unintentional danger these sign posts may pose to any raptor with talons that perches on top. This style of sign post or fence post is commonly used, so how can the danger be reduced?"

Read the rest here.
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