Downy Woodpeckers feeding young

The pair of Downy Woodpeckers, seen on May 15 excavating a nest cavity in the wild wild woods, have successfully hatched their clutch of 6 eggs.  For the last several days, they spent many hours hunting for small insects and worms to feed their young.  Sometimes hunting is good; they have to line up and take turns delivering the meals.  For protection from intruders, these small birds purposely create a cozy cavity with an opening just big enough for them to squeeze through.

Worms? Monsters?

Worms?  Monsters? These are “finger galls”.

Insects or mites feeding on a leaf, or laying eggs on or injecting eggs into part of a plant, cause galls to form. The leaf tissue reacts by increased production of normal plant hormones and localized plant growth.  The outcome is an abnormal plant structure called a gall.  These look like tiny wiggly "fingers" protruding from elm leaves.

Gall formation usually occurs in late spring during the accelerated growth period of new leaves, shoots, and flowers.  This is when insects might be feeding on plant tissue, or emerging in their life cycle to lay eggs.  The gall-making insect develops inside the gall and the gall continues to grow as the organism feeds and matures.  In autumn and winter, some birds feast on the insects they find inside galls, especially on goldenrod.

peek inside a nest

A pair of Tree Swallows Tachycineta bicolor are nesting in one of several nest boxes near the wild wild woods.  Today she laid the third egg.  She is not yet incubating them, but keeps guard at the box opening all day. 

feeding baby birds

In a corner of the woods, hidden in one of several nest boxes, a mother Black-capped Chickadee Poecile atrcapillus feeds her young nestlings.  As soon as they hear her land at the opening, each "gapes" as wide as possible to get fed the most.  What is she feeding them?  Mostly insects and small worms . . . for protein to grow fast.  They need to be able to fly in just a week or so!

furnishing a nestbox: House Wren

 

A House Wren Troglodytes aedon carries twigs, one at a time, to a nest box.

The male works until he fills the box with twigs, leaving a small cup or cavity. 

The female adds soft grasses, fur, feathers, and junk to line the cup where she will lay her eggs.

 Below, we peek inside another nest box containing a cozy nest for seven wren eggs.

The female will incubate the eggs for about 2 weeks.

 

woods in bloom

top left: Arisaema triphyllum Jack-in-the-Pulpit; top middle: Geranium maculatum Wild Geranium;  top right: Asarum canadense Wild Ginger; and a view of Aquilegia Columbine, all blooming now in the wild wild woods.

nest cavity

A pair of Downy Woodpeckers decided the tree stump near the feeder garden is a good prospect for their 2016 nest cavity.  They've been excavating into the old tree for a few weeks.  Today, the female peeked out long enough for a look around; it was long enough for us to get a look at her!

new hatchlings

 

Seven little Black-capped Chickadee eggs hatched in the last few days.  The nestbox cam caught a snapshot when they were all gaping for food.

A few trees in the woods are doing better since some clearing last summer.  This Black Cherry tree, with more open sunlight, is blooming this Spring. Prunus serotina is native in southern and central Minnesota.  It provides  drooping clusters of small very tart cherries  -- good food for birds!

NestWatch

NestWatch, the citizen science project! 
We look for cavity-nesting birds in trees as well as in nest boxes.  A pair of Downy Woodpeckers has been excavating this hole overlooking the feeder gardens.  Both will work at the nesting hole for up to three weeks.  Their intent is to make a cozy cavity up to a foot deep in which to lay their eggs.  They will line the bottom with woods chips.  "Downies" usually lay 3 to 8 eggs; the eggs are white so the parents can see them in their dark cavity.

NestWatch

NestWatch! 
Several nest boxes are in the yard and woods, waiting for cavity-nesting birds.  Each box has a small video cam so we can watch the nest without disturbing the birds. 
In this box a thick layer of moss was installed; then we saw grasses being laid in, re-arranged daily. The chickadee evidently laid her eggs over the past week, burying each one deep under the grass away from predators. Today, she started incubating them by gathering all seven and sitting close on them. A short flight outside revealed this treasure.

mallards

The female Mallard strolled through the wild wild woods with determination.  The male followed her with equal resolve. They wandered into the yard, around the gardens, back under the evergreens, then around a garage and through the neighborhood.

lilacs

deciduous conifers

These new cones and needle-like leaves are emerging on our non-native European Larch Larix decidua.  The old cones (at top in the photo) commonly remain on the tree for many years, turning dull grey-black.  From a distance, the new cones look like rosey flowers on the Larch tree.

native deciduous conifers

Needle-like leaves (right) emerging in clusters, and new cones developing on the deciduous conifer American Larch Larix laricina.  The seed cones will become 3/4" long, bright rosey red, and mature to lustrous brown scales containing the seeds.
The needle-leaves grow in dense clusters spirally on branches.  They will glow bright green all summer, then turn golden before dropping in winter.

viburnum

A very few of last year's berries remain on the American cranberry bush as colorful background for the new buds of this year's leaves.  This Viburnum trilobum 'Hahs'  produces high-pectin berries that hold well into winter and provide nourishing food for birds during cold months when insects are scarce.

bloodroot

Bloodroot.  Thick juicy underground stems. Sap of blood red. Sanguinaria, its fitting Latin name, meaning blood red.  But walking in the woods, you'll see innocent white flowers on pinkish stalks with a bright attractive center.  The stem, leaf, and flower bud (in a neat wrapped bundle) are pushed up together through early Spring leaf litter.  The delicate flower only lasts a day or two.  Bees pollinate bloodroot.  Once blossoming, it develops pod-like capsules that contain seeds.  Ants harvest and spread the mature seeds.

alarm calls in the woods

The raptor Coopers Hawk came to the water bowl for a drink, then dropped his tail feathers into the cold water while looking around for dinner. 

All the songbirds freeze in place and get very quiet when a raptor appears.  They don't want to be seen or heard, for fear of becoming a raptor's meal.

Read a fascinating article about alarm calls that birds make to alert others of a raptor hunting in the area . . .
https://www.allaboutbirds.org/look-out-the-backyard-bird-alarm-call-network/

snow birds

Robins returned to the wild wild woods; they heard it is now "astronomical spring".  

feathers of Downy Woodpeckers

Downy woody  Picoides pubescens
is the smallest woodpecker of the wild wild woods.  We see two or three at a time, searching up and down the trees for insects within the folds of bark.


The nasal bristles (stiff yellow feathers above the beak) keep wood crumbs out of the bird's nasal openings as he searches for food or excavates a nest hole in a tree.



Downy Woodpeckers stop at the water bowl too, where this tiny feather was left behind. It may be from the top of this male's head.

a murder of crows

This hawk was gliding over the feeder garden looking for breakfast.  The American Crows, who had been snatching peanuts from the tray feeder, gave chase.  The hawk landed on a nearby roof.  The crows dive-bombed in an effort to scare the hawk away.  The hawk calmly waited, squawked a few times, then lifted off towards the river for a better chance at hunting.

feet and beak

We heard the shrill whinnying calls of the male Pileated Woodpecker Dryocopus pileatus as he made his way through the woods, then came to the suet block for breakfast.  He thrust his strong beak into the food, scattering some crumbs to the ground and gulping a few pieces into his gullet.  Once he had a mouthful, he went to a nearby tree where he used the rough bark to hold the suet as he consumed it.  His tongue has a spear-like tip bearing backward-facing barbs that allow him to lick food items from between the folds of tree bark.  Pileated Woodpeckers' favorite food is carpenter ants; also other ants, wood boring beetle larvae, termites, flies, caterpillars, cockroaches, grasshoppers, wild fruits and nuts.
Woodpeckers have zygodactyl feet (two toes facing forward, one facing back) and allows these birds to easily climb and grasp bark, tree branches and other structures.

GBBC

19th annual Great Backyard Bird Count -- in the wild wild woods today, Mourning Dove, Pileated Woodpecker, Red-bellied Woodpecker, Hairy Woodpecker, Downy Woodpecker, American Crow, Bluejay, Black-capped Chickadee, White-breasted Nuthatch, Junco, Northern Cardinal, European Starling, House Finch, Goldfinch, House Sparrow.  Lastly, at dusk, this Sharp-shinned Hawk came by to get his name on the list.

winter starlings

These two European Starlings have been coming to the suet feeders for a week or so.  Their Latin name Sturnus vulgaris is fitting, since these non-natives are considered a vulgar nuisance when they mob lawns in big, noisy flocks.  They appear black, but up close their feathers are dazzling iridescent blue, purple, gold, and green. Fortunately, just these two so far near the wild wild woods . . .

Studies of Starlings' mob movements have found that starling flocks model a complex physical phenomenon, seldom observed in physical and biological systems, known as scale-free correlation. Read more at starling murmurations

redpolls

Today, just as the heavy snow started falling, two Redpolls showed up at the feeder garden.  They darted often back into the woodland edge for cover, but snatched many seeds from the tray alongside the Chickadees, Cardinals, and Juncos.

Redpolls breed worldwide in the far northern latitudes.  But they come "south" when food is unpredictable in late January.  Their winter range is extremely variable (as far south as Iowa or Missouri) when these little birds seek food from open woodlands, scrubby and weedy fields, or backyard feeders.

They can survive temperatures of 65F below zero degrees: they will add about 31 percent more plumage by weight, and tunnel into snow for shelter.