Saturday, 10 September 2011

The Warbler That Thinks It's a Nuthatch

Nuthatches are an interesting group of birds - superficially related to woodpeckers in habitat and behaviour but in fact a distinct group.  They forage for food by running up and (unlike the woodpeckers) down tree trunks, foraging for insects and seeds.  In the Calgary region, there are two common species - Red-breasted and White-breasted, which is pictured below at Pearce Estates.  This profile view highlights the slightly upturned beak, wonderfully adapted for prying under bark.
White-breasted Nuthatch, Sitta carolinensis
During our August vacation to Ontario, we spent some time on an island cottage on the Rideau Canal.  As we were hauling bags from the boathouse to the main building I saw some movement in the corner of my eye which that little part of my brain that is always birding (yes, you all know what I'm talking about!) processed as "black and white on the head + running around tree trunk = white-breasted nuthatch".  When I had a chance to put down the bags, pick up my binos, and head back out I realized it was something a little more special.  In addition to Song Sparrows, American Goldfinches, Cedar Waxwings, Nashville Warblers, and an Eastern Phoebe, our little island was also home to a pair of Black and White Warblers.

Black-and-white Warbler, Mniotilta varia - Click image to enlarge
As you can see, this quirky species feeds much like the nuthatches and creepers, foraging between the bark for insects.  So strongly is this behaviour exhibited that they were once mistakenly named "black-and-white creepers".  The great benefit for birdwatchers is that the birds' feeding habits draw them down from the tree canopy making them more readily observable than many other warblers.  Add to this the bold stripes that make identification a snap compared to many other warblers and I may have a new favourite wood-warbler!
More nuthatch-like antics! - again click to enlarge
This is supposedly a Calgary bird blog so what about the Alberta distribution of these birds?  I have yet to add one to my Alberta list but the Official List of the Birds of Alberta gives them a 'findability' of 2:  "species [that] are generally less abundant and widespread".  Despite the lower ranking, and the fact that Alberta is the western limit of their range, these birds are still regulars in Calgary and were reported last week in Confederation Park.  A couple of weeks before that I was with a group that found one in Inglewood Bird Sanctuary, although I wasn't able to get on the bird before it disappeared.

In any case these are charming and unique warblers.  Next time you are out in the spring, summer, or fall, if a flash of black and white running around a tree catches your eye, I recommend taking a closer look.



Monday, 5 September 2011

Fallout

Last week was the first week of school - 3 days of meetings and planning followed by 2 days of new kids, new classes, and new routines makes for an exciting and busy week.  That should explain the lack of posts, as well as the monumentally poor timing (from my perspective!) of 36 straight hours of rain resulting in a substantial fallout in the Calgary area.

What is a fallout?  In birding terms, fallout refers to a weather system that grounds migratory birds and/or forces seabirds to land.  A recent example is the frenetic birding on the east coast as a result of Hurricane Irene which merited its own blog.  You can also read a nice summary of the hurricane birding to be found here.  White-tailed Tropicbirds and South Polar Skuas are fantastic birds for New England (or anywhere?) but there were also some remarkable science stories that emerged from this storm.  I was particularly struck by this tale of a radio-tagged Whimbrel, which flew more or less straight through the hurricane and emerged unscathed.

While our recent wet weather was considerably less dramatic than a Category 3 hurricane, the resulting clouds of warblers and vireos delighted local birders.  A particularly nice spot to catch migrating songbirds is an area of shrubby wetland in Confederation Park (click on the link at the top of this post for a map).  One observer reported eleven species of warbler on his morning commute around this location while another added Chestnut-sided Warbler to the list on the same day.  This area has the added bonus of being my "local patch" - a short walk from work and home.

Can you find 11 species of warbler in this photo?  (Photo taken with smartphone)
Joking aside, I didn't even have time to grab my camera but just headed straight over to the park after school to see what I could find.  Fall warblers are really not an area of strength in my birding skill set but there was much to see.  The bushes were jumping with tiny birds, busily refuelling for the next leg of their migration.  I was able to positively identify Wilson's Warbler, Tennessee Warbler, American Redstart, Northern Waterthrush, Blackpoll Warbler, and Yellow-rumped Warbler, several of which are new NMT (non-motorized transport) birds for me.  Other highlights included a pair of handsomely streaked Lincoln's Sparrows and a Rose-breasted Grosbeak.  This last bird was an Alberta first for me and a special species, as it was partially responsible for getting me into birding in the first place (read under "About Me" for more details).

Not bad for a half-hour of neighbourhood birding and whenever there is poor weather bringing the potential of fallout, I will remember to get out and investigate.

Thursday, 25 August 2011

A Prairie Drive and A Milestone

Yesterday I headed out on a hot prairie drive to Frank Lake and Weed Lake, two of the best spots for waterfowl and shorebirds in the Calgary region.  I had an enjoyable day out and, when I tabulated my list at home, I made a pleasant discovery - scroll down for more.

A map of my route (I went anti-clockwise).  Click to enlarge.

Highlights included a juvenile Black-crowned Night Heron that I flushed from the reeds and a Northern Harrier hunting shorebirds along the edge of Frank Lake.  I had my digiscoping kit with me and caught some images of the shorebirds and others.
Long-billed Curlews are stunningly elegant birds
Marbled Godwits aren't bad either
As I've mentioned before, sometimes the scope is kind of overkill!  Nevertheless, this Barn Swallow  apparently doesn't mind posing.
A Black-necked Stilt pauses to reflect (while Franklin's Gulls take a nap)
These are Red-necked Phalaropes - at least I hope it's not a botched identification because that's my 200th ABA (i.e. North American) species!
Calidris sandpipers are confusing - what species do you think this one is, and why?

Saturday, 20 August 2011

Calgary Birder now Smartphone Friendly!

For the 2% of my readers last month that were on mobile devices, there is now an smartphone friendly version of this website.  Visit the site on your mobile and check it out!

Have a nice day and good birding!

Friday, 19 August 2011

Looking for Warblers at the Bird Sanctuary

I joined a Nature Calgary outing to look for fall migrants at the Inglewood Bird Sanctuary.  After a slow start we eventually found 5 species of warbler: Yellow-rumped, Yellow, Blackpoll, Wilson's and Northern Waterthrush (which is of course, not a thrush).  There were a host of other great birds to be had, as can be seen below (click any image to enlarge)
Immature Great Blue Heron sitting on the rail within a few yards of us! 
Another immature, this one a Baltimore Oriole
Northern Rough-winged Swallow - dozens of them sitting on bushes by the water 
By far the best views I've had of Warbling Vireo - half-decent photos too!
Same vireo again, foraging in the branches
Western Wood Pewee - nice to have an expert guide to help sort out the Flycatchers
The only warbler I managed to photograph.  What species is this....?

...Yellow-rumped!  This is a hatch year bird.





Wednesday, 17 August 2011

Weaselhead by Water

Tuesday was a lovely day for a paddle on the Glenmore Reservoir.  The water levels are still very high and I was also able to paddle a long way up the Elbow River.  The marshy area where the river enters the reservoir was extensively flooded and there was some very cool paddling in among the bushes.
West end of Glenmore Reservoir, photo taken with smartphone
The birding was relatively sparse, at least in part because of the time of day (11:30 to 2:30).  Despite this there were some neat sightings along the way.
Spotted Sandpipers aren't very spotted at this time of year but there were many of them along the south shore of the reservoir, including these two squabbling for space on a log.  There were also many Cedar Waxwings and some tantalizing glimpses of warblers such as Wilson's and Yellow Warblers.  Closer to the west end of the reservoir I enjoyed watching this Least Flycatcher hunting among some shrubs.
Just around the corner I surprised a juvenile Cooper's Hawk.  This was to be the first of two accipiters for the day as a Sharp-shinned Hawk flew across in front of me as I was paddling up a narrow channel in the Weaselhead.
Heading back across the reservoir there were a few ducks, gulls, and grebes scattered across the water but I most enjoyed watching three Double-crested Cormorants swimming and sunning themselves along the mouth of the river.

Friday, 5 August 2011

Birding in Ontario

We're off on holiday again and have spent a few days with friends in Eastern Ontario cottage country.  It's interesting to notice how birds that may be unusual in one area of the country have entirely different distributions elsewhere - one person's rarity is another person's "trash" bird (although I'm really not a big fan of that term).  Turkey Vultures are an obvious Alberta vs. Ontario example.  Another example is the Common Loon, which you get to see up close all the time here.  Our hosts were reminding me of this as they had been very excited about Bald Eagles on the west coast when we were kayaking with them a few years ago.  We had a laugh when they slowly realized that there is seemingly one on every island and here in Ontario the tables are turned!
Common Loon, Gavia immer
The islands on Big Rideau Lake are filled with songbirds, which merit their own post at a later date.  However, there was plenty to see out on the water as well, including this lifer Caspian Tern which wheeled and dove over the lake affording great view of its hunting prowess.
Caspian Tern, Hydroprogne caspia