Showing posts with label Henslow's Sparrow. Show all posts
Showing posts with label Henslow's Sparrow. Show all posts

Friday, 4 June 2021

National Prairie Day

 Tomorrow, June 5, is National Prairie Day. At least it is if you reside in the USA. Canada has not included this in any way, which is unfortunate since prairie in Canada is very important in the natural scheme of things. Think of the prairie provinces, for example. But even here in Ontario prairie, and in particular tallgrass prairie, has been an important part of the Ontario landscape. It still is to a much smaller extent, since most of the original tallgrass prairie in the province has been converted to agriculture. There are still a few small pieces left, including parts of Essex Co in the Windsor area (Ojibway Prairie complex), some very small pieces in Chatham-Kent, surviving as remnants along railways, wetlands and the like, and in Lambton where some of the finest tallgrass prairie in the province occurs within the Walpole Island First Nation. Farther east there are remnants in the Dutton area, the Brantford area and the Rice Lake Plains area at the Alderville First Nation. 

Alderville FN prairie

Closely associated with tallgrass prairie is oak savanna, occurring in various places such as Rondeau Provincial Park and Turkey Point Provincial Park. Some may note that I don't include Pinery Provincial Park in the oak savanna mix. Although what is there now is quite like oak savanna, it is largely artificially created and maintained, a result of major changes to the original Pine-Oak forest that were there up until about the mid 1800s when large scale logging took place. If you want to read more about that history check out a blog post I did in 2019.

One of the prairie plants I always looked forward to seeing at Rondeau was this one, Indian Paintbrush (Castilleja coccinea), also called Scarlet Painted Cup. For years I used to see a small patch of it near the intersection of Bennett Avenue and Harrison Trail. However gradually the site became more and more shaded, and I haven't seen it there for more than two decades. But this spring, a fellow birder saw a clump of it at the edge of a wet dune towards the southeast part of the park. I was elated to see it!

Even at a bit of distance, the brilliant orange colour stood out.
Most of the orange is not on the flower part per se. The actual flower is this smaller tubular feature shown in this next photo. While this is only a single clump of about 5 stems, it was heartening to see.
Just to give an idea of what it can look like on a high quality prairie, note this next photo. This is Diamond Grove Prairie, in southwestern Missouri. The site had been burned and there was lots of fresh greenery appearing, which caused the brilliant orange of Scarlet Painted Cup to stand out across the acres and acres of this impressive prairie. I took this in May of 2008 while I was on a two week exploration trip of Missouri's fabulous prairies.

The Missouri Prairie Foundation is certainly a leader when it comes to identifying, protecting and educating about tallgrass prairie, and is responsible for establishing National Prairie Day.

I have spent several weeks over several years in the past, exploring the Missouri prairies. I have been to well over 100 different tallgrass prairie sites in the USA, about half of which were in Missouri. Fortunately having been an active participant in several North American Prairie Conferences has enabled me to see some of the best examples in the US. Here are just a few. The first one is Coyne Prairie, showing the Scarlet Paintbrush mixed in with Wood Betony.

This next one is Golden Prairie, a National Natural Landmark where you can stand in certain spots and not see anything but prairie for 360 degrees.
Sky Prairie, shown next, is smaller but has a wonderful diversity of colour.

Ontario's prairies are just as important in their own way. They are at the edge of the broader tallgrass prairie range, so have a slightly different mix of flora and fauna. This first one is in the Windsor area, and while about 15 years ago it supported undoubtedly the largest population of a species at risk called Colic-root, those white flowered plants, it is now even more at risk as it no longer exists. Unfortunately it was sacrificed to make way for the new highway system as one enters the city via 401.

Fortunately some of the best parts of the Ojibway Prairie Complex remain, although parts of it are in serious need of further management such as prescribed burns. This next photo shows part of the Ojibway Prairie Prov Nature Reserve featuring an impressive stand of Dense Blazing-star, designated as a Threatened species at risk.
Dense-Blazing-star is also well represented at some of the finest parts of tallgrass prairie at Walpole Island.
Earlier in the season the same site had a showing of orange flowers, but not the Scarlet Painted Cup. It is Butterfly Milkweed.
At Rondeau, at a recently burned site, the Butterfly Milkweed can be impressive as well.
At the end of the season, this next photo show what the Black Oak savanna at Rondeau can look like, where tallgrass prairie grasses dominate.

Of course tallgrass prairie is important for more than just vegetation. There are more than a few bird species that do best on the open prairie. Some are fairly common, such as Savannah Sparrow.


Less common is Eastern Meadowlark.
Even less common, and a species at risk is Bobolink, with the distinctively coloured male, shown first...
....and the more subtly coloured female.
An Endangered species is Northern Bobwhite, which is almost certainly gone from Ontario although there are occasional reports of birds away from their former tallgrass prairie range. They are probably the result of wildlife releases. This next photo was taken in Missouri.
Another Endangered species, and also likely gone from Ontario, is Henslow's Sparrow. I digiscoped this at a prairie restoration site about 20 years ago.
Not in any specific 'at-risk' category is Dickcissel, a species which over the last couple of decades has begun to breed in Ontario somewhat regularly in very small numbers and has periodically shown some surges in those numbers from time to time.
Tallgrass prairies are certainly wonderful and fascinating parts of the Ontario, Canadian and North American landscape. Unfortunately they are too easily converted to other uses, so need a strong appeal to people to ensure they survive in a healthy condition.





 

Saturday, 6 June 2020

National Tallgrass Prairie Day

Today, June 6, 2020 is National Tallgrass Prairie Day. At least if you live in the USA, where the first Saturday of June was established by the Missouri Prairie Foundation as a state recognized day, and eventually gained national recognition. Tallgrass prairie doesn't have nearly the same profile in Ontario, or even Canada, as it does in the US. However there are significant prairies scattered across parts of Ontario and Canada, with some amazing colour and diversity. They are considered ecological treasures by anyone interested in significant natural areas protection.

They occur at places like Walpole Island, as in the next two images......

 ....and also in the greater Windsor area, such as at Ojibway Prairie and nearby....


 ...or even on a smaller scale, at places like Rondeau, where the relatively sterile, sandy soils were largely the result of the prairie habitats occurring here....
 ...as well as savanna vegetation, not because of being the result of fire.
Some occur as far east as Alderville, in the Peterborough area.
All of them have their own character, and while fire may not have been the reason for their occurrence, either in the past or the present, fire may be used as a 'tool' to maintain them.




A good quality tallgrass prairie will support myriad species of flora and fauna. In fact some of the only known locations for some species of insects are in tallgrass prairies. But the wildflowers are the most appealing feature to many observers. Even the most casual observers can appreciate the colour and diversity. The first few photos above featured iconic species such as Dense Blazing-star, Culver'stoot and Colicroot. Other species are shown below.
Tall Ironweed
Giant Swallowtail on Wild Bergamot
Flowering Spurge
Whorled Milkweed
Virginia Bush-clover (endangered)
Monarch
Lily-leaved Twayblade (threatened)
 With the loss of so much of the original prairie in Ontario, it is not surprising that some species have been lost along the way, including the Yellow-fringed Orchid.
 This next one only occurs on First Nations lands, as well as a single site in the Ojibway Prairie Provincial Nature Reserve.
Pink Milkwort (endangered)
 This next one, Grey-headed Coneflower, is common on prairies, but quite uncommon anywhere else.
 Wild Lupine is a rare prairie/savanna species.
Some of the grassland species of birds are rare and declining, and are often legally a Species At Risk, protected under the Endangered Species Act. The first three species are in that category.
Bobolink
Eastern Meadowlark
Henslow's Sparrow
 This next one, Savannah Sparrow, is common on grasslands, but not restricted to the quality tallgrass prairies that the first three are. so fortunately their populations are in relatively good shape.
Fortunately the interest in tallgrass prairie in Ontario is increasing, with both public and private landowners intent on restoring or even establishing tallgrass prairie habitat, so hopefully some of the prairie species at risk will have a little more security in the future.

Next time you see a grassland, and especially a quality tallgrass prairie, take a few moments to enjoy it!

Friday, 21 February 2020

Rare, Regular Migrant Birds of the Rondeau Area

In my last post I featured quite a few rare types of birds that are known to breed, or have attempted to breed, within the Rondeau Provincial Park Checklist Area.

This post will feature some of the rare but regular migrants that have not yet demonstrated any evidence of breeding. While the previous post required some evidence of breeding to be included, I don't have as clear-cut a definition of rarity. Therefore this list is somewhat subjective.

Generally anything included here will be out of regular breeding range and always an extra highlight to see. Undoubtedly an observation would be posted on a rare bird alert of some type. However they are almost 'expected' rarities, in my opinion, as they occur most years, or at least likely once every 4-5 years. I didn't go into all the Rondeau records to see if a species fits that definition exactly, so take this definition with a grain of salt. If you don't see something on this list that you think should be included, it might be on the next list if I felt it was a bit rarer, or it may be because I don't have a good enough photo yet :-).

They will be featured more or less alphabetically rather than in any checklist order.

First up is American Avocet, a striking large shorebird that shows up briefly every year or so, typically at sewage lagoons, flooded fields, or sometimes along the shoreline.
Next is Cattle Egret, not a species that is considered native to North America, but arrived as a result of major storms bringing a few of them across the Atlantic in the middle of last century. They show up irregularly, and have bred in southwestern Ontario on occasion. The closest places are at Fish Point on Pelee Island back in 1976 where breeding was confirmed (I saw the nest), and another time at Walpole Island in the early 1980s where it was in breeding condition near some appropriate habitat, but never confirmed.
 Eared Grebe is a common nesting species in the innumerable wetlands of the prairie provinces, but only seen in the Rondeau area from time to time on migration.
 Eurasian Wigeon usually appears in the spring and/or fall when huge numbers of puddle and diving ducks show up on places like Rondeau Bay. It can be a challenge picking one out amongst the thousands of ducks at those times of year, especially if there are a lot of Redheads. They often are only well seen through a 'scope. This particular individual was at the Keith McLean Conservation Lands in 2019, on 'Lake McLean'.
 Franklin's Gull is pretty unusual, and I almost put it into the rarer category. However there are enough records over the years to indicate it fits here, at least during those years when masses of the smaller Bonaparte's type gulls are passing through.
 Along with large numbers of geese, one might find the occasional Greater White-fronted Goose. They are seen almost annually, but are sometimes harder to find when mixed in with large numbers of the larger Canada Goose.
 Henslow's Sparrow used to be more regular than it has been. It is an Endangered species in Ontario, and it is doubtful that any nest in the province now.
 Nelson's Sparrow is a regular breeding species in the far north, and when it migrates is very challenging to find. It is a very furtive sparrow and it probably passes through annually in small numbers. It occurs primarily in the fall and may linger, presumably when the urgency to reach their wintering ground isn't quite as strong as it is to head north in the spring.
 Purple Sandpiper is typically a very tolerant shorebird, enabling one to get some good photos. However it doesn't occur all that regularly, and can sometimes go undetected for several years in a row. Usually when it does appear, it may do so for only a very few days.
 Red Phalarope is another shorebird that nests in the far north, and is seen very irregularly in the Rondeau area. Both of these shorebirds definitely get a lot of attention when word gets out that they are around.
 Red-throated Loon was always considered a fairly rare migrant. However in the last few years, they have been documented much more regularly in the fall and early winter on western Lake Erie, and can be seen from good vantage points along the Rondeau shoreline. It was first recorded on a Rondeau Christmas Bird Count back in 1981, and not again until 4 years ago. On the 2018 count we had a huge number flying through conservatively estimated at 70 individuals.

 Ross's Goose was considered a real rarity in eastern North America not that long ago. But the numbers have recovered recently, in part due to the major increase of the similarly looking Snow Goose population in the northeast. It was first recorded on a Rondeau Christmas Bird Count in 2001 and we have had it on 5 other CBCs since then.
 Snowy Egret is a species much more common south of the border, and erratically seen in Ontario. Most often they appear in mid to late summer, when post breeding wanderers may show up and stick around for a few days, depending on the weather and the feeding opportunities.

Trumpeter Swans aren't really a migratory species in the sense that most of the rest of the birds on this post are. They have never nested in the Rondeau area that we know of, and it is only in the last couple of decades where they are seen somewhat erratically.
 Western Kingbird shows up periodically, which follows a general pattern that some members of the flycatcher family are known for. You will hear more about that in the next post or two. There are a few records for the Rondeau area, but several years can go by in between records, and they don't stay long.
 Worm-eating Warbler is one of those southern warblers that gets a lot of attention when one is reported. They appear most often in early May when the weather conditions are such that a strong warm front comes up from south of the border. In the last few years, however, it seems that one of the dominant wind directions in early to mid May is from the east or north east, which holds back good movements of the more southern specialties like this warbler.

That is it for this post......come on back for a future one which will feature what I consider to be much rarer migrant species, with another post featuring mega rarities at some point after that.