Goshawks, Bald Eagle Fledglings, and Young Peepers

Northern Goshawk, (Accipiter gentilis)
Photograph by David Brinker

Earlier this week I read in the Washington Post that someone shot Maryland's only nesting Goshawk (Accipiter gentilis) in nearby Garrett County.  Way back in 1984, I got to care for a Goshawk for the Pennsylvania Game Commission, which used the accipiter for sting operations targeting illegal trades among falconers.  The penalties for all these crimes, in the uncommon occurance when someone is convicted, always seems trivial.

But today (Saturday) I found a very cute little female Wheaton Terrier running loose near Indian Rock in northern Hampshire County.  I hollered around the fisherman's access, but then took her home just a few miles to our farm.  We learned the owner was the visiting daughter of our friend, and when I returned her a little later, I heard the Bald eagles that nest there chirping on the slope above Indian Rock.  These eagles, both the adults and the immature birds, fly up and down the South Branch from the mouth to Milleson's Mill and have nested there for as long as I've lived here.

There are few things that leave an impression like that of an eagle flying by as you're sitting by the river.

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Yesterday, Anna Hjelmroos took me and Heather Eves on a field trip detailing her Masters degree capstone project at Wolf Trap Farm Park near Vienna, Virginia.  There we saw young Spring Peepers (Pseudacris crucifer), which were so prevalent we worried about squashing them as we walked.  They're so small you'd thing they were spiders or insects of some kind.  They are fast, but Anna caught a few and i got a photo. I've seen ticks larger than these little chorus frogs. We have thousands of peepers on our South Branch floodplain ponds, but I've never seen them this small.

Tiny young spring peepers

Later we followed Wolf Trap Run along the Farm Pond and came upon a cliff that was probably 20-25  meters high on a ridge that is probably less than 100 meters wide, clearly carved by the stream over time.  Another one of those surprises within our National Parks.

The cliffs along Wolf Trap Run

  

Milkweed blooming

I'm pretty certain it's Common Milkweed - Asclepias syriaca that is currently blooming.  We have a lot, although milkweed sometimes has pollination challenges because the flower design inhibits some insects, and the stickiness is sometimes to much for the more fragile insects, which often die because they're unable to escape.

Common Milkweed - Asclepias syriaca

Our house begins to look buried in wet Junes. 

Scarlet Tanagers and Cedar Waxwings

Image of Cedar Waxwing from Cornell. 

This weekend marked the first Cedar Waxwing (Bombycilla cedrorum) and Scarlet Tanager (Piranga olivacea) we've seen this season.  Both are among our most strikingly colored birds in Hampshire County.

We see lots of Cedar Waxwings travel from the trees on our side of the South Branch to catch insects along the cliffs on the other side.  But most interesting is Cedar Waxwings love of over-ripened, fermenting fruits that leave them intoxicated, sometimes even leading to death by alcohol poisoning.

Image of male Scarlet Tanager from www.Birding.com.

New Intern

Jamie planting grapes on Memorial Day weekend.

Jamie is our new intern at the South Branch Science Consortium. He's a rising junior at MIT in Aerospace Engineering.

We put him to work right away planting grapes and designing a trellis system for supporting the vines. Over the summer, we hope to have him lead a variety of projects in alternative energy, agricultural experiments, and  redesiging our whitewater playspot in the river channel.

Moving dirt.

Rescuing toads.

South Branch beaches

The spring floods moved a good part of our upstream beach further downstream.  It's already very popular with canoeists and tubers, but fortunately there have been no fire rings or litter yet.

Looking downstream from our old spot.

I'm not sure what Korry hunts for in the water, but she'll do this for hours.

The following morning.

Potato planting

Our fields were finally dry, and I got the Red and Kennebec potatoes in the ground in two long rows.  I experimented with rototilling followed by a pass with a potato plow, then backfilling with the flattened bucket of the tractor.  It worked well on the float position, unless there was a lot of vegetable matter in the soil, which sometimes caught behind the bucket and scoured the potato groove.

Freshwater Mussels in the South Branch

Freshwater mussels in the Chesapeake watershed seem much more vulnerable and are certainly less common than in the Ohio River drainage 40 miles west.  I'll bet 80% of those we do see are just empty shells, but I could tell these were alive from 15 feet away.  I've read that there were as many as 14 species surviving in the Potomac back in the 1970's.  Nowadays, fortunately, all are protected.

Turtle Pond

As soon as we discovered Wood turtles and Painted turtles on our farm I began planning strategies for expanding their habitat. doubled the size of our turtle pond in 2009.  I'm always impressed with how quickly aquatic plants and pioneer species (and invasives) return when there is water.  Our ponds were designed as vernal ponds, relying only on winter and spring rains, but all hold water all year.  The original turtle pond was a tiny, deeper complement to the frog pond, divided by a 15-foot walkway.  The new pond is over three times larger. Special credit goes to Dale Roberts of the Java Shack in Arlington, who while visiting for a recreational weekend, drove the bobcat for nearly three hours straight and dug much of the shallow end.

July 2009

May 2011

Hollies flowering

Flowers of Ilex opaca

We're at the northern edge of the natural range for American hollies (Ilex opaca), so I pay a lot of attention to our plantings. Those planted in sunlight started blooming this week.

Findings - Turtle eggs and birds nests

While preparing to plant some grapes, I found these turtle eggs.  The only turtles we ever see in this area of the farm are Box turtles (Terrapene carolina).  I haven't been too successful in relocating turtle eggs.  Sooner or later, they're always discovered by a raccoon, fox, skunk, or opossum.  There's only so much you can do to protect them that wouldn't interfere with the young emerging turtles.

Diane found this little nest on the ground.  It seems a little big for a hummingbird.  But what really caught our attention is that on closer inspection you'll see it is made almost entirely of horse hair.  The horse barn is almost 500 meters away, so the little bird that made this must have believed this was the material of choice.  Click on the second picture for a closeup.

First Hemerocallis blooms

The first Asian daylily  (Genus Hemerocallis) blossoms look like they're just a few days away.

Daylily flowers usually last less than 24 hours. They open at sunrise and begin to die off at sunset, but may be replaced by another on the same flower stalk the next day.

Hemerocallis is native to China, Korea, and Japan and elsewhere in Asia, and popular worldwide because of worldwide because of their hardiness. Most  Daylilies grow in clumps, and I've seen them listed on some invasive plants list.  Most of our daylilies came from neighbors who were thinning theirs, so I guess there's some legitimacy to this. I sometimes see them at weird places along the road in the first few weeks of June.

Sad Outcome

They seemed too young to fledge - just two days after the May 21 photo - but both young birds and their parents abandoned the nest.  One died on May 24 on the street (I'll send you the photo if you want).

May 23, 2011

May 24, 2011

Nesting Doves

I've been reluctant to sneak a photo of the doves that nest every year in one of the hanging baskets on our front porch in Arlington, but this year I did.

An adult doves nesting with two squabs on our front porch in the city.

As abundant as our pigeons (Columba livia) and Mourning Doves (Zenaida macroura) are, we rarely get to see them nesting.  It's too bad , because members of the Family Columbidae have some of the most altricial young (needy or dependent, opposite of precocial).  For the first few days of life, the young squabs eat only a special milk produced from the crop of both the male and female dove.


Here's a photo I found at A birding blog by Gunnar Engblom.of a pigeon (Rock Dove) feeding youg squabs.

Photo: Susannah A. Lower Fraser of Wanderin' Weeta

Raspberries and Cucurbits

One of the fenced-in raspberry patches.

I weeded the raspberries so my wife could plant her pumpkins and squashes among them. When I prepared these 10 x 30 raised beds I used soil from the river bottom mixed with a large amount of organic matter and both composted and new coffee grounds for extra acidity, but the soil still has a significant clay composition. It doesn't affect the output of our plants from what I can tell. I'll wait to hear when Church View Farms begins harvesting their berries and then I'll compare.

I like the combination of the raspberries and cucurbits because the raspberries outgrow the very large leaves of the cucurbits, and there is little sunshine left for weeds.

Edible Plants Talk

I knew of Leenie Hobbie through mutual friends on Facebook, but I had a chance to listen in on her edible plants talk when my neighbor hosted a "Yoga and Weeds" event at Foxwalk Farm.  I wandered toward the barn, which has a large art studio above the stables, hoping  to have missed the yoga.  I was a little late for the edible plants introduction, but I was pleasantly surprised to learn just how much of the abundant local fauna was indeed edible.  Leenie often mentioned plants that were valued as liver "tonics" or kidney tonics.

In my recent post on Garlic Mustard I mentioned that I like my medicines and their dosages clinically tested.  But I also took a chemical ecology course in graduate school in which the overriding theme was that even when chemicals can be synthesized in the lab, it's rarely more efficient than harvesting the chemicals from their natural sources.  Moreover, having a command of natural medicine can save lives in extraordinary situations where modern medicine is unavailable.  So I paid attention, but I'm not going to get into the business (or liabilities) of listing such things here regularly.

When I returned home I noticed all of the irises next to the boathouse were in bloom.

Irises in bloom along the boathouse driveway.     

Blooming Irises

Normally we see about a week between when the tulip bulbs self destruct and the Irises.  The Genus Iris has over 250 species, but the "type" is Iris germanica.  We have several hundred of them, and they multiply nicely from rhizomes.  

Irises along the smaller turtle pond.

I like them around our Hampshire farm because deer don't seem to try them even once (they're mildly toxic) and our deer will eat right out of the planter boxes on our front patio. They seem to bloom in the first week of May each year in Hampshire County, although the leaves sometimes begin emerging as early as late March.  When we divide them in the Fall I 'll plant a few dozen throughout the farm in surprise places, usually forgetting about them until the greenery becomes noticeable in mid-April.




Our sunnier wetlands (left) are still flooded, and I see that the Silver Maple (Acer saccharinum) seeds we spread casually have germinated and thrived.  The wood ducks and frogs seem to prefer the more protected woodland wetlands, and the predatory herons seem to avoid them, so I'm happy to encourage a few Silver Maples, Sycamores (Platanus occidentalis) and River Birches (Betula nigra) in the two smaller, more open ponds.

A female Wood Turtle travelling along our walking trails.

We do leave spots for the Wood Turtles (Glyptemys insculpta).  Our adult turtles seem to be thriving, but we haven't found any youg wood turtles yet this year.  Unlike Box turtles, which close up and park themselves at any sign of danger, the wood turtles will move out of the way.  Hitting a turtle with a mower is a sickening feeling, and fortunately it's only happened once (a Box Turtle).   We made a decision two years ago to mow all the trails along the ponds, creeks and the river  with the mower at it's 4-inch setting, easily high enough to miss a Wood Turtle.

Garlic Mustard and new Swamp White Oaks

I still have not pinned down a date for when Garlic Mustard (Alliaria petiolata) first appears.

Garlic Mustard near the old Blue Ford river crossing

The leaves, flowers and fruits are apparently edible, providing a flavor of both garlic and mustard. I've read that it induces swaeting and is helpful for respiratory problems, ulcers and gangrine.  You won't get such recommendations from me - I like my medicines and their dosages clinically tested.  But like many other invasive plants, I do wish someone would declare them to be aphrodisiacs or an ingredient of eternal youth, because trying to clear a woodlot of Garlic Mustard is tiring and boring.  And you need to do it completely for five years in a row to exhaust the seed bank.

Later I'll post a photo of a mature plant with seeds.  They're actually very easy to pull, as the roots come right out without any special pulling technique.  If seeds are present, you'll need to remove them from the woods.  I burn them, although I've read that some believe composting heat kills the seeds of many weeds.

Here's a photo (left) of a remarkably resilient Flowering Dogwood (Cornus florida) that was able to leaf out and flower even with bird and presumably insect damage to its bark on a broken branch hanging straight down.


The photo below shows a few Swamp White Oaks (Quercus bicolor) germinated from acorns stored haphazardly over the winter.

Diane's successful Swamp White Oak germination.

American Chestnut Leaves

We've grown many dozens of American Chestnuts and back-crossed Chestnuts over the last 5 years.  We keep a few in large pots in the city for school demonstrations, but most were planted as seeds in Hampshire County.  The trees in Arlington leaf out about 7-10 days earlier than the Hampshire County trees. This photo was taken today.  In my studies of tree phenology, I believe that's largely a function of soil temperature, and I've wondered about the variability of temperature in the potted trees' soil.  Someday I'll stick a thermochron in there.

We also found this plant last week, and then this week we saw that it was flowering. Anyone have a tip?

Gallinule Chick

source:www.birdsandsuch.com/pages/gallinules.html  

With the flooding in our lower field, we've been on the lookout for emerging water plants from the floodplain's seedbank.  Yesterday we got a big surprise when a young gallinule ran out in front of me then feebly flew 20 meters away.  I called to my wife, but that also alerted our two old kurzhaars.  Our older dog (14) won't hold a point if an animal moves, so I didn't want her to spot it while I was trying to photograph it.

I borrowed this photo from www.birdsandsuch.com, but the bird I saw was much more rufous and with a red-yellow, adult-colored beak.  These birds and others often reflect high ferrous mineral content, and are wetland soils are loaded.  Except for a purple gallinule or moorhen, I can't think of another bird with this immature body shape, a brightly colored beak and long legs than would be wading around in 4 inches of watery grasses.

What to Plant Outdoors This Week

(5 weeks before the last frost*)

Seeds
You may have already planted seeds for peas and spinach outdoors, if the soil was workable, and maybe carrots, beets, lettuce, green onions and parsnip seeds.  

It also pretty safe to plant chard, kale, endive and kohlrabi seeds.

Plantings
You also might have already planted asparagus crowns and horseradish crowns or roots. Onion sets or hardened-off onion or leek transplants can also be planted in the garden.

This is also the week to start potatoes.


*  I like to use Dave's Garden website for calculating freeze/frost
    dates. They predict the following for us here in the Green
    Spring/Levels areas:

• Each winter, on average, our risk of frost is from October 12 through May 4.
• Almost certainly, however, we will receive frost from October 25 through April 18.
• We are almost guaranteed that we will not get frost from May 19 through September 29.
• Our frost-free growing season is around 161 days.

Our friends Steve and Ruth at Church View Farm near Three Churches use May 1.