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Viburnum Leaf Beetle

If you read this, you are probably also reading Marielle Anzelone’s Spring series at the New York Times. If not you should be. Yesterday’s article introduced us to the Viburnum Leaf Beetle (Pyrrhalta viburni) an invading species which devours Viburnum species, especially Arrowwood (Viburnum dentatum).

Well, yesterday afternoon in Van Cortlandt Park, I met one of these beetles in person, at least in its tiny larval stage. This is just one of the instars, or stages of the beetles’ larval growth:Small, but hungry.

Ranger Robin Says

Irrepressible Ranger Robin — either just out of hibernation or on a work-release program, she’s vague about details — stopped by after a visit to Prospect Park this week:

“The signs have been up since Sunday warning about the take-over of the heart of the park by something called Googa Mugger. The Neathermead and surroundings have been in lock-down mode since Wednesday at least, so I was expecting that my Occupy Wall Street comrades were threatening to move in, but then I remembered that the Parks Department won’t let people have demonstrations in the parks because democracy is bad for the grass.

“40,000 alter kockers a day listening to Led Zeppelin and Hall & Oates (??? um, did I just wake up from a 25-year nap?), however, well that’s just fine and dandy. When the Singapore festival occupied the Nethermead for three and half days a couple of weeks ago, only one of which was actually the festival, the rest lock-down, set-up, and evacuation, I wondered how much that big tanker truck full of water on the grass weighed. One gallon of water equals 8 pounds; tanker trucks average 5000 to 9000 gallons, you do the math. However you add it up, it’s a lot of bullshit for sure.”

Native Flora Garden

In the Brooklyn Botanic Garden yesterday morning. It was still dripping from the rain under the trees, even though it had long since stopped raining. Our woods in leaf always hold onto the rain. Next to the present NFG, the Garden is working on a major expansion to allow for less shade-dominated habitats found in the region. It will take years, of course, and will be glorious to watch.

Roses

Roses are everywhere in my neighborhood. Here’s a hybrid of these over-fiddled with flowers that I particularly like, found overflowing on the Block of Perpetual Renovation. They remind me of Rosa rugosa.

Cardinal Chicks

Looking somewhat like Muppets, two Northern Cardinal chicks realize there is no food forthcoming from the camera. Normally at this stage in their careers, they are all about open mouths — wide, wide mouths, like so:These birds will quickly get bigger, feather out, and fledge, or fly out from the nest. (This site gives details on Cardinal plumage colors and molts; technical, but still a great comparision.)

Fledged songbirds stick close to their parents at first — people often find a young bird on the ground and mistakenly think it has been abandoned, but the parents are just hiding from you (read this on baby birds; in general, you should not interfere). Fledged birds will follow their parents and loudly call to be fed. A whole new chorus of bird sounds is now being heard: hungry, insistent youngsters.
This Starling youngster has yet to develop the glossy black plumage of an adult bird.

So some birds are already fledged. Others, having just arrived, like Baltimore Orioles, are only now weaving their suspended nests.

Never the same beach twice

The Cliff along Nantucket’s north side is a time-and-tide whittled slice through the north side of the terminal moraine, the long pile of glacial till left over when the ice retreated. Long Island was made the same way, and its north side has cliffs like these, too. The cliff here is eroded by the sea, and the mansions atop it are as permanent as Ozymandias’ shining city in the desert.

A beach makes you think of impermanence.Last year’s Bank swallow nests. No sign of any this year, yet.This one might puzzle you. It’s the snout of a Harbor seal, with the whiskers in remarkably good condition, considering parts of the skull were exposed to bone. Both feet were tagged. I reported this color/number to the New England Aquarium, which is the HQ for the local Marine Mammal Rescue team; the person I talked to there thought this was probably a pup born this winter (although badly decomposed, it did look rather smaller than some other seal remains I’ve come across) and tagged on Muskeget, which is a small island to the west of Nantucket with a thriving Harbor seal population (much to the loathing of local fishermen, who can’t abide competition). Bill of a Great Black-backed Gull, the largest species of gull in the world. Although the underlying structure of the upper and lower mandibles of a bill are bone, they are covered in keratin, nature’s wonder protein.Horseshoe Crab shell, completely cleaned out, perhaps by a Great Black-backed Gull, and posed on the fence by me.Seams of clay run through the cliff, and you find pieces of rock on the beach that look like baked clay, with a lot of iron in them (some nearly sienna in color). I need a geologist to walk this beach with me. The material is easily broken by whacking it against another rock. This piece was riddle with circular tubes, and inside the tubes I could see what turned out to be some kind of bivalve when I broke them open. I guess that they borrowed into clayey mud that later hardened. I also need a conchologist.This pine held on — though dead, it still hangs on, even though most of the cliff has disappeared underneath it. But a few interesting little round fungi were growing on it.

In the Vale

And in a rare personal appearance, your blogger, and Mrs. Wills’s son, points not to the glorious dream of a Soviet future à la Lenin nor to the Cape May warbler we saw practically eye-to-eye in the Vale of Cashmere yesterday, but to another of the stuffed teddy bears and My Little Ponies hanging from the trees. Art project or psycho-creepiness? So hard to tell sometimes in that neck of the woods. Photo by Traci.

Mother’s Day Bouquet (Living Flowers)

Some flowers for my mother, who passed a decade ago, and all the other mothers out there. Paulownia tormentosa is in bloom. Rich, heady perfume. Look to your empty lots, backyards, and canal bridges.Star-of-Bethlehem (Ornithogalum umbellatum) is another escapee from the reservation. A native of Europe, this Lily family member has basal leaves that are very grasslike and have a pale midrib. Invasive, and all over Prospect Park now. The flowers of the Tuliptree (Liriodendron tulipifera) are often way up high, since this is one of the tallest trees on the East Coast, and the species tends to shoot straight up, racing for the sun. Elizabeth’s Tuliptree overlooking Nelly’s Lawn in Prospect Park has a branch that dips low, but not too low. So you’re most likely to see these blossoms on the ground. Smell them. They are subtle but delicious. As a bonus, they may be crawling with ants.

Just Listen

How do silent movies make their way into a blog about natural history? I was struck by something Geoffrey O’Brien wrote in the May 24th New York Review of Books. Discussing last year’s homage to silent movies The Lover and Hugo, O’Brien notes how differently our minds behave when we watch silent films.

Tomorrow morning at 6 a.m., starting at the Grand Army Plaza entrance to Prospect Park, I will be doing one of my Listening Tours. You should come; getting up early is part of the fun and the weather is supposed to be fair. In the Listening Tour, we walk silently through the park listening to what we hear, pausing variously to concentrate our ears on sounds near and far, high and low. At this early hour of the day, most of these sounds are birds, in the midst of migration and nesting. This walk is part of New York City Wildflower Week, which has more than a week’s worth of events, walks, and lectures this year.

Since we will be listening, this is obviously different from watching a silent film. But we will be listening intently to things most people don’t notice, the songs and calls of birds, as sound, as music, as a form of communication alien to us. The Listening Tour is named in honor both of what we do on the tour, pure and simple, and as a counter blast to the bogus political charades of politicians going out to listen to that mythological beast “the people.” The aim of the tour is to get our minds to behave differently. Yes, we are surrounded by noise (in the physical and information senses), and many of us are quite good at blocking much of that din out. But are we really listening to anything? I mean, besides the voices in our heads? Some have called these walks meditative, Zen-like, spiritual, and some, admittedly, have not really been into it. You’re the only one who can open your own ears.

American Copper

Lycaena phlaeas. Common name aside, the East Coast population of this small butterfly is thought to have been introduced from Europe during the colonial period, probably on the sheep sorrel its larva feeds on. It is notably associated with these invasive sorrels, and often found on disturbed habitats like roads and lawns, where I’ve photographed them. The Western population is found at and above the timberline and reaches up into Alaska and arctic Canada.

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