Magpie: Our Black and White Jay

The Black-Billed Magpie is an extreme bird. People either love ‘um or hate ‘um. They probably have more detractors than supporters. However, I am one who likes this beautiful bird. Their satiny black and white feathers and long tails are most attractive. Seen in the right light, their feathers shine with an iridescence. People from the east who haven’t experienced this species are usually very impressed – much as westerners are with Blue Jays when visiting eastern states.

Like all jays, this bird is very raucous. When they are near, you can hear them “jabbering away” to each other. This intelligent species would have to be considered the valedictorian of the bird world. Very alert to their surroundings and very hard to approach, they have been known to do clever things – like the one that dropped nuts at a stop light. The nuts would be cracked when the traffic ran over them. The bird would then fly in to get the results when the light changed.

They are a year-round bird and very adaptable. As generalists, their diet covers a wide range from fruits, grains, worms, slugs, and insects to small animals like snakes and mice. They also do much scavenging and are often seen on highways taking advantage of the “road-kill”. Magpies are early nesters and build roofed, dome shaped nests of sticks that protect the eggs from the early spring weather. The same nest is used each year. Five to nine eggs are laid and are incubated for 16 to 18 days. When fledging, the young have short tails which elongate as they mature. By early nesting, they are gone from the tree when other species arrive.

We have other jays in Cassia County: the Scrub Jay which is blue and gray, the Pinyon Jay which is all blue, Clark’s Nutcracker which is gray, black, and white, the American Crow, and the Common Raven. All are raucous, opportunistic, smart, and adaptable. The Black-billed has a cousin – the Yellow-billed which is slightly smaller and found in central California. Magpie behavior is always interesting. I’ve watched them “mob” hawks and owls, sneak food away from larger animals, and even perch on the rumps of deer – getting great pleasure out of annoying their hosts.

Advertisements

A River Otter Experience

There is nothing cuter than a River Otter. However, they are excellent predators – speeding under the water just like a torpedo. A fish doesn’t stand a chance. Otters are one of the larger members of the Weasel family – 28” from nose to tail tip. Weasels are mustelines. All mustelines give off a protective odor (i.e. skunks).

Otters are very active and many of their actions appear to be play. Sliding down river banks seems to be a favorite activity. They are semi-aquatic and move well on land (up to 18 mph), as well as in the water. Their long tail and webbed feet are a great aid in their under water navigation. Thick, dense fur keeps them well insulated from the cold and those prominent whiskers are sensitive to surrounding situations.

Fish is their main food source but they will also consume frogs, crustaceans, insects, and occasionally water fowl and small mammals. They den on land and the female evicts the male before birthing. He will return when the young are half grown and help in their care. Their lifespan is usually 10 to 15 years.

On two successive and very chilly mornings, at South Davis Lake, Oregon, we pursued a family of three. It was September and the mornings were cold in the woods. My fingers were so cold that it was difficult to work the camera. However, the cold was overlooked because we were experiencing a rare (for us) event. Following that family group up and down the stream, as they sped after trout, kept us at rapt attention – from just before sunrise to about 11:00 AM each day. Those mornings provided golden opportunities to observe and photograph these lovable creatures.

Magic Sap Trees

by Dave Hanks

Sapsuckers are aptly named. They excavate tree cavities for nesting, and other birds use the holes after the original owners are done with them. They also drill series of small holes in a tree’s bark, which then becomes a source of sweetness for all to utilize. Cassia County has large populations of sapsuckers – Red-Naped ones. This woodpecker is especially evident at the City of Rocks. Its red chin differentiates it from other woodpeckers.

On a trip to New Mexico one winter, we camped in an out of-the-way place called Water Canyon. It was reputed to have wild turkeys, and my wife wanted to observe them. It was wintry, but that situation was disregarded. Snow limited where we could park our truck, but there was a spot just off the road by a forest service restroom. There was considerable bird activity around that restroom. We soon discovered the reason. An Arizona Black Walnut tree with brown, withered leaves that hadn’t been totally shed stood next to that outhouse. It was oozing sap and, as if by magic, a wide variety of birds were visiting that tree.

A Red-Naped Sapsucker would arrive at 20 minute intervals and work on two or three branches. There were dark areas on the bark and, with binoculars, I discovered that each spot was covered with tiny holes. Obviously, sapsuckers are not the only ones that love sap. White-Breasted Nuthatches were all over the tree. Ruby-Crowned Kinglets preferred a spot where a freshly broken limb made a large stain on the dangling branch. Other species invading that tree were: Common Bushtit, Mountain Chickadee, Bridled Titmouse, Juniper Titmouse, Stellar’s Jay, and Scrub Jay.

We didn’t find any Wild Turkeys, but it was great to get such a close-up glimpse and an expanded knowledge of sap holes. The time spent at the base of that “Magic Sap Tree” and all the many birds in it, made that short side-trip most rewarding!

His red chin identifies him as a sapsucker

Turkey Vultures: Environmental Clean-up Crew

When out in the sage, mountains, grasslands, or other wild places; you may notice large birds circling far overhead. Most folks would probably think that they were seeing some form of hawk. But the more likely scenario is that a most important scavenger is riding the thermals – the Turkey Vulture – a bird that feeds mainly on carrion and refuse.

This is a large bird (27”), larger even than our Red-Tailed Hawk. High in the air or at a distance, it has somewhat of a resemblance to an eagle. It has a black body, white beak, and a fiery red head. When in flight it holds its wings upward in a shallow V, with the wing-tip feathers spread like fingers. When in the air, the silvery wing under-sides are visible. Vultures roost in large trees and even on tall structures. Because they depend on riding thermals, they don’t leave their roost until the sun has heated the air.

The red head is devoid of feathers. This is a sanitation adaptation. It must stick its head into rotting carcasses and the baldness prevents “goo” from accumulating on the feathers. The suns rays are then able to shine on the skin, playing a disinfecting role. Also, their beak is not strong enough to tear open the hide. They must wait for the animal to rot or another scavenger to rip it open. However, their tongue is “rasp-like” and this aids in removing bits of flesh from inside the carcass.

Vultures are widespread over our continent, and though many people would find these birds to be ugly and possibly disgusting, they have an extremely vital niche. They rid the countryside of dead animals, thus, keeping the environment clean.

While not my favorite bird, I still find this species most interesting and easy to appreciate.

tvulture2

Early morning & waiting for a thermal before lifting off

The Red Crossbill: An Unusual Beak

This beak is not deformed. Nature intended it to be thus. It is an adaptation for the opening of cones. While useful for that purpose, it does make the bird into a specialist and whether the beak crosses to the right or to the left runs about 50-50. Crossbills must have coniferous forests in order to survive and because conifer cones may last on the tree up to 20 years, there is no need to migrate out of an area of good cone production. Therefore their movements are irregular and controlled by cone availability.

There are two species of crossbills in North America: the Red Crossbill and the White-Winged Crossbill. The red variety is hard to “spot”, but is very abundant in the Cassia and Twin Falls mountain areas. The more glamorous White-Winged one is an inhabitant of boreal (northern) forests.

These interesting birds may not come to seed feeders, but water can be a major attraction. They are very gregarious and will come in to drink in large groups. The all-red, mature male is pictured. Immature birds are boldly streaked brown. The females are yellowish-olive and may show patches of red. The species is 6 ¼” long, with a large head, and a short, notched tail.

Different strains of the species are each adapted to a specific tree type (i.e. Lodgepole Pine, Ponderosa Pine, Douglas Fir, etc). Other species such as finches, chickadees, and siskin benefit from the nuts not consumed after a cone is opened. Crossbills are also quite vocal and will call while in flight. Each individual’s calls may vary somewhat from other individuals, giving that bird a character of its own. It gives a rapid series of harsh “jip” notes, started with several two-note phrases and followed by a warbled trill.

The female lays three eggs, but only two individuals usually fledge and there is about a 12% survival rate of the young into the second year. It is enough, however, to maintain the bird’s population numbers.

The crossbills of our south hills have the largest beaks of their kind. They are an isolated population and researchers are thinking of denoting them as a separate species. When camping, the presence of crossbills gives one a true flavor of the mountain experience. It is a truly unique bird!

How many rocks could a Rock-Chuck chuck?

Rock Chuck or Wood Chuck, both are marmots. The correct name however, for our local marmot, is the Yellow-Bellied Marmot. The marmot is the only mammal to have a USA holiday named for it (Ground Hog Day).

This large (14” to 20”) rodent loves rocky terrain where they can lay in the sun and also escape predators when alarmed. One individual always stands guard and gives an alarm call. The call will vary according to the type of predator (hawk vs. coyote, etc). It may be a “chuck”, whistle, or a trill. Rock habitats must be close to greenery, as the animal lives entirely on green vegetation of all types.

Yellow-Bellied Marmots spend 80% of their lives in burrows – this includes nighttime, as well as hibernation which lasts from August through February. They are meticulous about keeping their den and bedding clean. Their hearty appetite allows them to put on a good layer of fat for their 7 month hibernation. Sleeping late, then eating vigorously, and finally resting on a rock in the sun conserves the energy that turns into a layer of fat.

The males are “harem-polygymous” and litter sizes average a bit over 4 pups. Males leave the colony, but females tend to stay with their mothers and become reproducers at 2 years of age.

This “bear-like” rodent has a golden to rufus coat, brown head, and a yellowish-red belly. Wood Chucks are found in the east, but Yellow-Bellies are a western, intermountain species.

They are most interesting to observe, whether sunning on a large rock or scurrying across a road or trail into the closest cover.

(A big one sunning – a favorite pastime)

Western Tanagers & an “invisible” experience

I have seen western movies where an Indian felt safe, amid a battle, because he claimed to be invisible. This is a situation that I’ve often wished for and strangely enough it has seemed to have happened a few times during my pursuit of wildlife photos. There is no other way to explain it. After pursuing bird after bird, only to have them “spook” and fly away, sometimes a lucky situation will arise.

One time in late July, when camping at Lake Cleveland, we found a shallow pond at one side of the campground. It was the result of snow-melt and was receding quite rapidly each day. In a “devil-may-care” mood, I stuck a stick upright in the mud of that pond. I then proceeded to place my chair a scant 20 feet from the stick. It was as if I wasn’t there. Sixteen different species alighted, either on that stick, or at my feet, before moving in to drink. Hairy Woodpeckers, Pine Grosbeak, and others; but the most noticeable were Western Tanagers. If you would have told me that this would happen, I’d have said that you were crazy.

The tanager is one of my favorites and his red head makes for a breath-taking sight. The bird needs a good supply of carotene in its diet to enhance the red coloration. Slightly smaller than a Robin, it has a black back and tail and a bright yellow body and yellow wing bars. The female is colored like the male – minus the red head.

This bird prefers the coniferous forests of the western United States during the summer months, but winters in central Mexico and further south. In the early spring this species always pays a visit to our yard, where it is much attached to the sugar water we put out for the Orioles