Cobirds:
Been doing some quick surveys around the Boulder area the
last few days. Here's a list of new arivals, and some spring nesting
activity:
W/S - Walden Sawhills complex
Teller Lake 1 - TL1
Teller Lake 5 - TL5
WR - White Rocks Trail
BMP - Boulder Mt Park
BC - Boulder County general
S - Sombrero Marsh
Pied-billed - several calling - W/S
American white pelican - 12 - flying over WR
Great egret - 1 - TL5
Great blue heron - BC - the heron rookery west of Cottonwood Marsh
has been active for several weeks.
Northern shoveler - 30 - S
Gadwall - 40 - S
Turkey vulture - 5 - BMP
Osprey - several pairs, actively nesting - BC
Red tailed hawk - actively nesting - BC
Swainson's hawk - pair at 75th and Baseline have returned.
American kestrel - actively nesting - BC
Ring necked pheasant - 76th and South Boulder Rd. - several seen
over a month - part of a feral remnant population that's been in the
neighborhood for years.
Ring necked pheasant - TL1 - one calling - remnant feral population
that has inhabited this area for decades.
Killdeer - throughout BC
Greater yellowlegs - 1 at TL1
Wilson's snipe - 1 at W/S, 1 at South Boulder Rec Center
Mourning dove - in scant numbers - BC - should be lots more
Eurasian collared dove - lots, numbers increasing, active mating
behavior, - BC
Broad tailed hummingbird - 1 male - base of Flagstaff Mt Trail
Northern flicker - actively drumming, and cavity building - BC
Downy woodpecker - chases, drumming, mating behavior, - BC
Tree swallow - groups moving through W/S
Bushtit - pair - Twin Lakes area
Ruby crowned kinglet - actively singing, 11 - BMP
Brown creeper - 2 - actively singing - BMP
Mountain bluebird - 1 - at NCAR
American thrush (aka: robin) - on nests, lots - BC
Myrtle warbler - 1 S/W, 1 TL5, 1 at Sombrero Marsh
Audubon's warbler - 1 at Sombrero Marsh
Spotted towhee - all males, singing - most at Gregory Canyon, and
throughout BC, numbers increasing.
White crowned sparrow - 6 at W/S
Song sparrow - lots, actively singing - BC
GOLDEN CROWED SPARROW - 1 still persists at the Teller Lake 5 parking
lot
Gray headed junco - actively singing - throughout BMP
Western meadowlark - lots, actively singing - South Boulder Rec Center
and BC
Red winged blackbird - tons - active singing, chases, mating,
territorial fights - drowning out the songs of other birds at
Cottonwood Marsh early morning.
Yellow headed blackbird - 2 at S/W - singing (if you can call it that)
Great tailed grackle - at least 1 singing and callinng at Cottonwood
Marsh
Common grackle - starting to fill up in neiborhoods throughout BC
House finch - actively singing and nest building for at least a month
now.
American goldfinch - lots, singing and chases - BC
Blooming: spring beauties, pasque flowers, dandelion, domestic apple,
wild plum (peak or past peak), chokecherry (just starting), hawthorn
(just starting) oregon grape / holly grape (at peak), bladderpod, sand
lillies, yellow violet, vetch ssp., bastard toadflax (native species),
bedstraw, cranesbill, golden banner (just starting), false dandelion
(native), mouse-eared chickweed, waterleaf, wyeth bisquitroot, desert
parsley, skunkbush (just starting), red currant, golden currant,
bluebells, among others.
Birds are right on time; flowers are early. John T (Tumasonis),
Louisville CO
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