Baltimore Oriole

I’ve been looking for the Oriole that had been seen for the last 2 days but no luck. The feeders seem to be almost empty so the homeowner may be gone or just not filling them.

If you look for the Oriole please post to to IBLE whether you saw or didn’t see the bird. Thanks.

Denise Hughes
Caldwell, Idaho

The longer I live, the more convinced am I that this planet is used by other planets as a lunatic asylum. -George Bernard Shaw

Tanager Day

In the past hour, sitting on my patio, I’ve had perhaps 30 Western Tanagers move through. I’ve casually seen many — probably a couple dozen — in walking my dog around my neighborhood today (Depot area, Boise). It happens every year, and I always enjoy it.

Also — a female Anna’s Hummingbird at my feeder. I’ve seen them here in late fall, but never spring.

Nick Miller
Boise

Neotropic Cormorant still at Auger Falls

Hello all – I found one neotropic cormorant along the auger falls road (by twin falls) just now.  The pin on my  Ebird report is where you can see the bird from the River. You have to walk down a steep little trail to the river ( if it stays in the same place).  The river is hard to see because of thick brush along the road. I just stopped everywhere that there was a little trail or I could see the river to look for it on the big river rocks. Didn’t find it yesterday but it’s there today. I will measure half how far it is from the end of the pavement when I head back home home and send that information.

good luck if anyone chases this bird!

Melody Asher
Twin Falls
208-595-1035 home
775-934-2538 cell

Re: Osprey food ?

This is from The Peregrine Fund website:

Though Ospreys mainly eat live fish of a wide variety of species, the types of prey they might catch are quite diverse. Snakes, birds, frogs, reptiles, mammals, crustaceans, and other invertebrates can all fall prey to the deft, sharp talons of an Osprey.”

Diann Stone
 Boise Depot Bench

Re: Osprey food ?

Dear RL:
I agree with Dave (although with much less experience!). It’s always interesting and valuable to report observations such as this.
This passage from the osprey account in Birds of the World (Cornell Lab of Ornithology) is relevant:

Anecdotal observations of Ospreys with non-fish prey include birds, snakes, voles, squirrels, muskrats (Ondatra zibethica), salamanders, molluscs, and even a small alligator (Alligator mississippiensis; Wiley and Lohrer 1973, Proctor 1977, Thorpe and Boddham 1977, Castrale and McCall 1983, Taylor 1986d, King 1988, Poole 1989a, Pawloski 1996, Watermolen 1996, Douglass 1997, Jennings 2010). An Osprey was observed foraging by walking along the ground and sallying out 2 m to capture ground squirrels (Citrellus sp.; Werren and Peterson 1988). Known to drop conch shells on to hard surface to extract mollusc inside (Jennings 2010).
Some of these reports include non-fish taken in water, probably using
typical foraging techniques (e.g., alligator, muskrat) and emphasizing
the generalist nature of Osprey predation while hunting over water.
Other reports may result from Ospreys trimming their nests with skeletal
remains and thus not represent prey taken (e.g., remains of birds found
in nests in Arabia were up to size of Socotra Cormorant (Phalacrocorax nigrogularis) and Slender-billed Gull (Larus genei), but unclear how or if these were definitely caught by Osprey (Jennings 2010).
Bad weather (high winds, choppy or turbid water) or early arrival on
breeding grounds (when lakes are frozen) may promote such behavior;
e.g., feeding on dead and dying fish tossed on the ice by fishermen in
Georgian Bay of Lake Huron (Ewins and Cousineau 1994).”
Cheers,
Erik
Erik Kiviat PhD PWS, Executive Director, Hudsonia Ltd.
P.O. Box 5000 / 30 Campus Road, Annandale NY 12504 USA;
tel. 845-758-7273, fax 845-758-7033; kiviat@…; www.hudsonia.org

Hudsonia is a tax exempt, nonprofit, non-advocacy, scientific research and
education institute: Please support us at http://hudsonia.org/support/

Re: Osprey food ?

Cornell’s Birds of the World states that the Osprey diet is 99% fish. It doesn’t mention what else Ospreys eat (I just skimmed the article) but that other 1% could be birds and small mammals.

Denise Hughes

Caldwell, Idaho
The longer I live, the more convinced am I that this planet is used by other planets as a lunatic asylum.  -George Bernard Shaw

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