Feisty swallows

 

A week or so ago, I watched some Tree Swallows bully an Eagle. Ok, that makes sense, an eagle would happily eat a swallow chick, so clearly it must be vanquished.

But, what about a heron?

Today, I watched some Tree Swallows mercilessly attack a Great Blue Heron. It was not the same group of swallows as I had watched the last time. Further, a heron is not partial to eating swallows. Yet, the attack was relentless.

Unlike in the case of the eagle bullying, the heron did not retreat—well, at least it did not retreat before I had retreated. For once the swallows spotted me watching from the shore, the attack shifted. Now, the swallows set to driving me off. They succeeded: I slunk away.

One of the many Tree Swallows dives at a Great Blue Heron in an attempt to drive it away from their nests.

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Sandon, 1909

 

Greg Nesteroff posted a story in the Nelson Star yesterday: Sandon photo sale causes a stir.  Sandon is our local quasi-ghost town, and the controversy centred on who actually owned the picture, circa 1900, being sold. The picture in question can be seen here.

This reminded me of my grandfather’s picture of Sandon. His picture was taken in May 1909 from about the same place as the controversial picture and shows many of the same buildings. My grandfather’s picture does not have the high quality of the professional one.

My grandfather, Rev. Thurlow Fraser, had been sent to Sandon by the Presbyterian Church in Ontario. It is a measure of the smugness to be found in Ontario that he had been sent to British Columbia as a missionary to convert the heathen miners, rather than as a minister to support the faithful.

As I look at his photo album now, I can identify eighteen shots taken around Silverton, New Denver and Sandon in 1909. They show buildings, people, sternwheelers, rail lines, a mud slide, and a mine. I may have to scan some more pictures.

This is clearly a picture of Sandon, although my grandfather’s caption describes it as a spot “Back of Silverton”. Near the centre of the picture is the shell of a recently burned building. My higher-resolution version shows the Canadian Pacific boxcar to be number 46980 and the building between it and the burned one says: Red Cross Drug Store. The big church in the earlier picture is now missing—maybe Sandon did need missionaries.

 

Posted in history | 4 Comments

Old Growth walk

 

A late-May attempt to walk the Old Growth Forest trail (eleven kilometres up the Kokanee Glacier Road) was thwarted by snow.

The trail was fine yesterday. The four pictures along the trail show trees, the creek, and a feature called split rock.

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Sleepy bat

 

Bats sleep in the daytime. Their drowsiness enables me to get close enough to take a picture whereas I have never managed a picture of one flying in the evening.

Bats make a wonderful countermeasure to any mosquitoes that will have resulted from the moist spring.

This sleepy bat is probably a male Little Brown Myotis.

These three loons are included for no better reason than that they swam by before sunrise.

 

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Summer begins

 

Summer began today.

After an unconscionably wet spring, the Sun rose to a clear sky and estival forecasts.

Of course, when I say summer began, I am offering an observation, not a proclamation. Alas that was not the case, when two weeks ago, the news media (CBC and others) offered pap about the “official” start of summer.

Official? What official ever proclaimed such a thing? None!

It is an interesting question as to why so many people in the news media insert the gratuitous word, official, when discussing seasonal changes? In most cases where something actually is official—Canada is a country; the speed limit is 80 km/hr—no one bothers to use the word, official. It seems that official is only used when it is needed to bolster a silly claim.

Let us imagine that a minor official in some foreign land did proclaim that an astronomical marker produces a globally fixed date for a shift in the weather. Wouldn’t the rest of us merely treat it the same way King Cnut treated the silliness of his courtiers? Those sycophants claimed he was powerful enough to command the tides. Cnut’s response was that this was demonstrably untrue. Yet, the demonstrable silliness of summer officially beginning on the solstice persists in the news media—a millenium later, Cnut’s courtiers live on. I am sure with the next astronomical marker we will be told about the official start of fall. Sigh….

Summer begins when it begins. It has no beginning fixed by any official; besides, weather doesn’t listen to officials. Today, without the help of any official, summer began.

This was dawn on the Lake yesterday: rain, wind, and waves.

This was dawn on the Lake today: merganser chicks rushed to greet the arriving summer.

Posted in commentary, weather | 4 Comments

Spider deception pays

 

The crab spider (Misumena vatia) lives by deception. On a yellow flower, it turns yellow; on a white flower, it turns white. In this way, it is camouflaged as it awaits pollinators.

So, how will it present itself when on a daisy? This is a compound flower made up of yellow disk flowers and white ray flowers? Can the spider be both white and yellow at the same time? It seems the answer is that it always makes itself white and sits on the ray flowers (the parts that looks like petals). Yet, as these pictures suggest, it completes its disguise by dabbing itself with some of the yellow pollen.

This crab spider is sitting on the white ray flowers, but seems to have used its pedipalps to dab some yellow pollen on itself so as to entice a pollinator. That is really a nice trick.

This is the same daisy and same spider but it has now caught a fly. Its dual deception pays.

Posted in bugs | 3 Comments

Swallows bully eagle

 

The Bald Eagle is often seen harassing others. I have watched it bully ospreys, herons, and even an otter (and this doesn’t include things it was trying to eat). So, it was satisfying to see an eagle being bullied by another bird—and by a Tree Swallow, no less.

The Tree Swallow is not a large bird; it weighs only about 20 g. The Bald Eagle is massive by comparison and might weigh about 5000 g—some 250 times as heavy. Yet, in this case the swallows had a nest in a piling, so when a sub-adult eagle happened by, they felt a need to defend it.

When the eagle landed, it was probably unaware of the swallow nest only eight meters from its perch—it didn’t remain unaware for long. Abruptly swallow parents attacked in succession. They kept it up, again and again, until the eagle tired of it and left.

“What are you doing? I just stopped by for a rest.”

“If I could catch you, I’d make you sorry.”

“What did I ever do to deserve this treatment (as if I don’t know)?”

“Nuff”s enough; I’m outahere.”

 

 

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Canada Day loons

 

The breeding range of the Common Loon is nearly coincident with Canada. I suspect that is why a loon appears on our one-dollar coin—the loonie. Given this situation, it seems appropriate to post a Canada Day picture of a loon family.

Actually, while I have seen many loons on Kootenay Lake, I have never seen a chick. Loons do not breed on Kootenay Lake: the variation in spring-time water level is too great for them to nest along the shore. Rather, they breed on the smaller lakes higher in the mountains. And that is where I watched this chick with its parents, today.

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Raindrop splash

 

June has been a remarkably aqueous month: rain falls, snow melts, creeks rage, rivers rise, and lakes flood. What better way to acknowledge this than with a picture of a single raindrop on the Lake?

The impact of a large raindrop on the Lake creates a momentary pit in the surface—a small temporary crater. Then, the water surrounding this crater responds by rushing back inward. Arriving from all sides, the water collides in the centre and squirts upward to form a tower of water. Surface tension causes such a cylinder of water to break into drops, starting with one at the top.

It is odd, but the response of a lake surface to large drops falling from the sky is to squirt drops back skyward.

Driven by the impact of a large raindrop, a waterdrop-topped tower has arisen from the Lake. The waterdrop forms a lens in which can be seen an upside down image of the distant shore.

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Drowned daisies

 

Some casualties of high water.

Posted in weather, wildflowers | 4 Comments