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© Anne Elliott 2017
5 November 2017
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Sweet White-tailed doe

Sweet White-tailed doe
On 5 November 2017, I joined a few birding friends for a walk in Carburn Park. Afternoons are usually not the best time of day to see birds so, as usual, we saw far fewer species than the morning groups - 19 species of bird. Though cold, it was a beautiful afternoon to be out in nature. It was cold enough for there to be a few clusters of small ice pillars along the edge of the Bow River - something I always enjoy seeing.

Carburn Park is a very popular place for birding in the city, offering water and woodland species. According to eBird, a total of 211 species have been recorded within the park. In comparison, at Inglewood Bird Sanctuary (the top Hot Spot in the city) 252 species have been recorded. In the Weaselhead Natural Area, 227 species have been seen.

There were about 10 Black-capped Chickadees that kept following us along some of the paths. Over the years, I have taken many photos of them, but I so rarely go for walks any more. From now on, I know it will be much harder to make myself put on all my winter layers, including struggling to get ice grippers on to my winter boots, and leave the comfort of my home. The main roads had been cleared, and were very reasonable to drive on. I do enjoy going for coffee and a chat after these walks.

Eight White-tailed Deer were also seen, mainly hidden, but sometimes sharing the path with us. Always a treat to see either kind of deer, with their look of innocence.

"The Black-capped Chickadee is notable for its capacity to lower its body temperature during cold winter nights, its good spatial memory to relocate the caches where it stores food, and its boldness near humans (they can feed from the hand)." From Wikipedia.

en.wikipedia.org/wiki/Black-capped_Chickadee

www.allaboutbirds.org/guide/black-capped_chickadee/id

"The chickadee's unerring spatial memory is remarkable enough, says Colin Saldanha, assistant professor of biological sciences at Lehigh University and an anatomist who has studied songbirds for six years.

But it is what happens inside the tiny songbird's brain that Saldanha finds amazing. In the fall, as the chickadee is gathering and storing seeds, Saldanha says, its hippocampus, the part of the brain responsible for spatial organization and memory in many vertebrates, expands in volume by approximately 30 percent by adding new nerve cells. In songbirds, the hippocampus is located on the dorsal surface of the forebrain right beneath the skull. In mammals, the hippocampus is located beneath the cortex.

In the spring, when its feats of memory are needed less, the chickadee's hippocampus shrinks back to its normal size, Saldanha says." From article on ScienceDaily.

www.sciencedaily.com/releases/2003/09/030912072156.htm

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