I found this male Red-bellied Woodpecker today along the north shore of Gull Lake, Manitoba. I located this bird by their distinctive call and managed to get a few record photos like the one shown below (heavily cropped). The Red-bellied Woodpecker is still rather rare in Manitoba, although they do seem to be moving northward and there are now one or two sightings in southern Manitoba every year.
Happy fall birding all!
Sunday, October 28, 2012
Friday, October 5, 2012
Highlights of the Manitoba Breeding Bird Atlas to date
After only three years of fieldwork (2010, 2011, 2012), the Manitoba Breeding Bird Atlas (www.birdatlas.mb.ca) is already turning up plenty of surprises. This post offers a glimpse into what we are finding thanks to:
870 registered volunteers, who have put in
over 21,000 hours of survey effort consisting of
over 160,000 records of
287 species breeding in
over 2100 atlas grid squares (a grid square is 10 km X 10 km)
and with over 16,000 point counts in over 1,100 squares….
For a “small” province like Manitoba (in terms of human population), chalking up this much effort is a phenomenal achievement and we have two more years to go to get even better!
Some of the biggest highlights to date have been confirming four species breeding in the province for the very first time! In 2010, Ken De Smet found a nest of Black-headed Grosbeak and David Raitt confirmed breeding Western Tanagers for the first time in Manitoba. The two photos below are ones I took recently in Manitoba. All the photos in this blog post are mine but you can view the photos of other atlassers at: http://birdatlas.mb.ca/mbdata/photos.jsp?lang=en
In 2011, Ken De Smet found Manitoba’s first nest of Snowy Egret and apparently only the second breeding record in Canada. The nest was at Whitewater Lake where I took this photo.
In 2012, there was a rash of Long-tailed Jaeger reports. I found three pairs near Schmock Lake just south of the Nunavut border (photos below) and Joel Kayer and Ken De Smet found a nest at Nejanilini Lake – the first confirmed breeding in our province!
There were some other great finds too; for example, the Wapusk National Park survey team (a joint effort of Parks Canada and the Manitoba Breeding Bird Atlas) found three Golden Eagle nests along the Broad River. These are the first confirmed Golden Eagle nests in Manitoba in over half a century although there are other unconfirmed reports.
This male Lazuli Bunting has been on the same territory in southwestern Manitoba for three years in a row. Unfortunately, we have yet to confirm breeding although there have now been some sightings of a female.
In addition the headline makers, the atlas has produced a plethora of excellent nesting records from many out of the way places. These two photos show a Red-throated Loon and nest – this nest I found this summer was the first of two found to date.
Some waterbirds such as American White Pelican (found well north of known colonies) and others like Red-winged Blackbird have been found farther north than expected. What we don’t know is how much of this represents northward expansion or just lack of previous data in remote areas.
A suite of species normally associated with deciduous woods or mixed forest along the aspen parkland to southern boreal transition zone such as Eastern Bluebird, American Woodcock, Eastern Whip-poor-will, and Black-and-white Warbler (photos below) have also been found farther north than is indicted in guidebooks. One possible explanation may be related to habitat change associated with human land clearance in the boreal that has enabled disturbance adapted deciduous trees (especially poplar family members such as Trembling Aspen) to colonise areas following human disturbance, resulting in movement corridors for deciduous forest species. In other areas, however, we have found these species in the north in relatively undisturbed areas such as Black-and-White Warblers along the God’s River and even as far north as York Factory!
The atlas has documented a better picture of both Northern Parula and Pine Warbler (photos below) which are typically thought of as occurring only in extreme southeastern Manitoba but which we now know have small breeding populations in the Interlake region.
Some boreal forest birds also seem to be moving north including Winter Wren and Brown Creeper. Both of these species have now been recorded several times in the Churchill area (well north of typically drawn ranges).
The atlas is not just finding northern movements however. Some species such as Bonaparte's Gull have been documented farther south than previously thought. This is a juvenile Bonaparte’s Gull shown here. Other species such as Tundra Swan, Northern Shrike and Pine Grosbeak have also been recorded south of their typical ranges.
The atlas is also gathering a lot of much needed data on species that are poorly known or for which there is anecdotal evidence of decline. For example, Smith’s Longspur, Lapland Longspur and Harris's Sparrow (photos below) have all become much more difficult to find in the Churchill area in recent years. Nonetheless, the atlas has been documenting these species in reasonable numbers elsewhere in the north. The last photo in the series of four below shows a rarely encountered Harris’s Sparrow nest.
The atlas is procuring fantastic documentation on Species At Risk in our province and working hard to augment the Manitoba Conservation data Centre. This juvenile Rusty Blackbird (just out of the nest) is one example of many Species At Risk records the atlas has documented to date. Rusty Blackbird is listed as Special Concern.
And then of course there are the hundreds of personal stories that make the atlas what it is. You can read about many of these stories in the various issues of the atlas newsletter at: http://birdatlas.mb.ca/newsletter_en.jsp. I will leave you with one of my favourite magic moments from atlassing in northern Manitoba – this young Boreal Owl that I found (along with other family members) near Shamattawa, Manitoba.
To learn more about the atlas, you can contact me by email at: cartuso AT birdscanada DOT org or phone 1-800-214-6497 and ask for the Manitoba Breeding Bird Atlas. Thank you!
870 registered volunteers, who have put in
over 21,000 hours of survey effort consisting of
over 160,000 records of
287 species breeding in
over 2100 atlas grid squares (a grid square is 10 km X 10 km)
and with over 16,000 point counts in over 1,100 squares….
For a “small” province like Manitoba (in terms of human population), chalking up this much effort is a phenomenal achievement and we have two more years to go to get even better!
Some of the biggest highlights to date have been confirming four species breeding in the province for the very first time! In 2010, Ken De Smet found a nest of Black-headed Grosbeak and David Raitt confirmed breeding Western Tanagers for the first time in Manitoba. The two photos below are ones I took recently in Manitoba. All the photos in this blog post are mine but you can view the photos of other atlassers at: http://birdatlas.mb.ca/mbdata/photos.jsp?lang=en
In 2011, Ken De Smet found Manitoba’s first nest of Snowy Egret and apparently only the second breeding record in Canada. The nest was at Whitewater Lake where I took this photo.
In 2012, there was a rash of Long-tailed Jaeger reports. I found three pairs near Schmock Lake just south of the Nunavut border (photos below) and Joel Kayer and Ken De Smet found a nest at Nejanilini Lake – the first confirmed breeding in our province!
There were some other great finds too; for example, the Wapusk National Park survey team (a joint effort of Parks Canada and the Manitoba Breeding Bird Atlas) found three Golden Eagle nests along the Broad River. These are the first confirmed Golden Eagle nests in Manitoba in over half a century although there are other unconfirmed reports.
This male Lazuli Bunting has been on the same territory in southwestern Manitoba for three years in a row. Unfortunately, we have yet to confirm breeding although there have now been some sightings of a female.
In addition the headline makers, the atlas has produced a plethora of excellent nesting records from many out of the way places. These two photos show a Red-throated Loon and nest – this nest I found this summer was the first of two found to date.
Some waterbirds such as American White Pelican (found well north of known colonies) and others like Red-winged Blackbird have been found farther north than expected. What we don’t know is how much of this represents northward expansion or just lack of previous data in remote areas.
A suite of species normally associated with deciduous woods or mixed forest along the aspen parkland to southern boreal transition zone such as Eastern Bluebird, American Woodcock, Eastern Whip-poor-will, and Black-and-white Warbler (photos below) have also been found farther north than is indicted in guidebooks. One possible explanation may be related to habitat change associated with human land clearance in the boreal that has enabled disturbance adapted deciduous trees (especially poplar family members such as Trembling Aspen) to colonise areas following human disturbance, resulting in movement corridors for deciduous forest species. In other areas, however, we have found these species in the north in relatively undisturbed areas such as Black-and-White Warblers along the God’s River and even as far north as York Factory!
The atlas has documented a better picture of both Northern Parula and Pine Warbler (photos below) which are typically thought of as occurring only in extreme southeastern Manitoba but which we now know have small breeding populations in the Interlake region.
Some boreal forest birds also seem to be moving north including Winter Wren and Brown Creeper. Both of these species have now been recorded several times in the Churchill area (well north of typically drawn ranges).
The atlas is not just finding northern movements however. Some species such as Bonaparte's Gull have been documented farther south than previously thought. This is a juvenile Bonaparte’s Gull shown here. Other species such as Tundra Swan, Northern Shrike and Pine Grosbeak have also been recorded south of their typical ranges.
The atlas is also gathering a lot of much needed data on species that are poorly known or for which there is anecdotal evidence of decline. For example, Smith’s Longspur, Lapland Longspur and Harris's Sparrow (photos below) have all become much more difficult to find in the Churchill area in recent years. Nonetheless, the atlas has been documenting these species in reasonable numbers elsewhere in the north. The last photo in the series of four below shows a rarely encountered Harris’s Sparrow nest.
The atlas is procuring fantastic documentation on Species At Risk in our province and working hard to augment the Manitoba Conservation data Centre. This juvenile Rusty Blackbird (just out of the nest) is one example of many Species At Risk records the atlas has documented to date. Rusty Blackbird is listed as Special Concern.
In some cases, we have special projects occurring within the larger atlas framework. This includes the ongoing Bird Studies Canada Golden-winged Warbler Project I began in 2008 thanks to the Walter Siemens Memorial Fund. Golden-winged Warbler (photo below) is listed as Threatened. Other researchers also share distributional and nesting data with the atlas.
And then of course there are the hundreds of personal stories that make the atlas what it is. You can read about many of these stories in the various issues of the atlas newsletter at: http://birdatlas.mb.ca/newsletter_en.jsp. I will leave you with one of my favourite magic moments from atlassing in northern Manitoba – this young Boreal Owl that I found (along with other family members) near Shamattawa, Manitoba.
To learn more about the atlas, you can contact me by email at: cartuso AT birdscanada DOT org or phone 1-800-214-6497 and ask for the Manitoba Breeding Bird Atlas. Thank you!
Friday, September 14, 2012
Common British Birds: Part 2 (Passerines)
This post features some of the common songbirds (passerines) of the British Isles and of course features species I photographed there in rough taxonomic order. Arguably the two most common swallow species (well, at least at the times of year i have visited) are the Common House Martin (left) and the Barn Swallow (right). North American birders will notice how much whiter below (as opposed to red) the Barn Swallow’s on this side of the pond are…
The pipits and wagtails (family Motacillidae) are much more diverse in the Palearctic than the Nearctic and there are at least 12 species in Europe as compared to 6 in North America. Some of the common species in the British Isles includes the aptly named Meadow Pipit,
the coast-dwelling Rock Pipit,
and the very common White Wagtail. The birds in Britain and Ireland (subspecies yarrellii) have a distinct plumage and some consider them to be a full species "Pied Wagtail".
The wrens (Troglodytidae) on the other hand are very much an "American" family, distributed throughout the Nearctic and Neotropics (North and South America) with only one species found in the Palearctic, the Eurasian Wren (split from the Winter Wren and Pacific Wren with which they were formally considered conspecific). The Eurasian Wren is a garden bird in Britain and elsewhere, so different from North America, where the larger House Wren occurs in that setting and our Winter Wren is a boreal forest species (at least where I live).
The White-throated Dipper is one of two dipper species in the Palearctic and the only one in western Europe.
The Dunnock is a member of the Accentor family (Prunellidae) and is also known as Hedge Accentor. Accentors are a small family (worldwide 13 species) that are basically confined to the Palearctic Realm (spill over slightly into the Oriental Realm in the Himalayas for example) that have short pointed bills and forage by hopping along the ground, especially at high elevations or northern areas.
The Palearctic has many species with the large family Muscicapidae, which of course translates (from Latin) as “flycatchers” (musca = fly, capere = to seize), generally referred to as “Old World flycatchers”. The common names of many of the birds in this “familiar” family (to Europeans), were later re-applied to unrelated species from different parts of the world. Hence today, North American flycatchers (tyrant flycatchers) and Old World flycatchers are unrelated, the American Robin is not closely related to the birds called robins in Europe (the American Robin is actually a thrush and not a robin), the American Redstart is a New World wood-warbler (different from Old World warblers of course) and not closely related at all to the 15 species of redstarts within the Muscicapidae family, and the bird North Americans call “chat” (Yellow-breasted Chat) is not closely related to the chats, which, like Old World robins, are usually placed with the Old World Flycatcher family. Here are a few examples. The European Stonechat (Stone Chat) is one of about 14 species in the genus Saxicola (different authors terat species limits differently in this genus). This is a female.
This is the dapper little European Robin (a.k.a Robin Redbreast). Like other species called robins in the Muscicapidae family in genera including Erithacus, Luscinia, Tarsiger and others, this is a very small bird (14 cm) that hops on the ground and often cocks or at least half cocks their tail. Most “robins” are very shy and some are ultra skulkers but the European Robin is a very familiar garden bird and easy to observe.
The wheatears (23 species in the genus Oenanthe with a mostly Palearctic and African distribution) are closely related to the “true” chats and robins. The only one to occur regularly in the U.K is generally called Northern Wheatear to distinguish them from the 22 others but most British birders simply refer to them as “wheatear”, a name that is said to be a euphemistic or “corrupted” pronunciation of the older name “white arse” referring to their prominent white rump. This bird is in fall / autumn plumage.
Here is yet another example of a borrowed name. This is the bird the British call “blackbird”, i.e. Eurasian Blackbird, featured in music and poetry, e.g. the beetles line “blackbird singing in the dead of night…”(yes, they do sing at night a lot). The Eurasian Blackbird is a thrush in the genus Turdus, i.e. congeneric with American Robin! Famed for the beautiful song and not closely related to the birds North Americans call “blackbirds” at all. This is a male, females are browner.
The Thrush family is well represented in the Palearctic. In addition to the Eurasian Blackbird above, here are some of the common U.K species. This is a Song Thrush, also in the genus Turdus.
Similar to Song Thrush but much larger and paler, this is a Mistle Thrush.
In fall and winter the thrushes that breed in the U.K are joined by some northern visitors such as this Redwing (also a Turdus thrush).
And yet another Turdus thrush, the Fieldfare.
The family Paridae (tits and chickadees) is well represented in the U.K. One of the most common garden birds is the European Blue Tit.
And there are various other similar species such as the Coal Tit,
and the Great Tit.
and, in a different family, Aegithalidae (Bushtits or long-tailed tits), there is the Long-tailed Tit, a.k.a Long-tailed Bushtit.
As mentioned above, “warblers” in the Old World and in the New World are very different. The taxonomy of the MANY species that are called warblers is somewhat complicated and in a bit of a state of flux it seems but the majority are now placed in a family called Sylviidae by the IOC. . Some of the genera of Old World warblers are very large, the genus Phylloscopus, which contains arguably some of the world’s most difficult species to identify by sight alone, contains no less than 62 species (and most of them look extremely similar). This is a Willow Warbler, one of the commonest in the U.K.
The Eurasian Treecreeper is one of two treecreeper species in Europe and the only one in the U.K. This widespread species is found across the Palearctic.
The Eurasian Jay is the European equivalent of North America’s Blue Jay although not a garden bird to the same extent.
The many finch species in the U.K offer a lot of colour and many of them regularly visit feeders. Most of the photos below were taken from the photo hide of the RSPB Lochwinnoch reserve near Glasgow. The Chaffinch is one of the commonest garden and feeder visitors. These three photos show a male, female then juvenile.
These next three photos show a male, female then juvenile Eurasian Siskin. This is also a common species.
These two photos show an adult then juvenile of the beautiful European Goldfinch.
And here are a male and female European Greenfinch, a most striking and large and "well-built" finch!
Of course this is only a small sampling of the birds of Great Britain.
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