Sunday, January 1, 2012

Birds - How To Identify Them

!±8± Birds - How To Identify Them

In this last article of our series on birds we're going to cover something that most people find quite fascinating. How are bird watchers able to so quickly identify their feathered friends? With so many species of birds it can't be that easy, or can it? In this article we're going to go over some tips to make your bird identification a whole lot easier.

Just like recognizing certain characteristics and habits of people you can do the same with birds, which ultimately makes identifying them much easier. These characteristics are shape, size, color, flight pattern and where they're seen, to name just a few.

The first thing you need to do when identifying birds is to learn how to recognise a certain group of birds like warblers, flycatchers, hawks, owls and wrens. These all share certain similarities. As you get better at this you will be able to distinguish a certain species from the group as a whole.

Once you've narrowed down the bird to a group, size can give you a very good clue as to the actual species, especially if the lighting is poor or you are at a great distance. Size comparisons are very easy when the bird you are trying to identify is next to a bird of the same group that is either much smaller or much larger. For example, a Pileated Woodpecker is much larger than a Downy Woodpecker. So if you see these two birds side by side it will be easy to pick out which is which.

Then there is the posture of a bird. Believe it or not, birds perch differently. For example, a Flycatcher perches vertically (straight up and down) when on a branch while a Vireo perches horizontally (almost lying down) when on the same branch. So if you were to see these two birds side by side you should be able to pick out which one is which.

Then there is the flight pattern of a bird. Birds do not all fly with the same motion. For example, while most birds fly in a straight line, finches and woodpeckers fly in sort of an up and down pattern. Even between the two there is a difference. Finches fly in a more exaggerated roller coaster pattern while woodpeckers fly in a more moderate rise and fall pattern. Then there are birds like Sharp-shinned Hawks, Cooper's Hawks, and Northern Goshawks that make several wing flaps which are followed by a long glide, whereas a Red Tailed Hawk can usually be seen soaring.

Then if you are able to witness a head on flight profile of a bird there are differences here as well. A Bald Eagle will fly with its wings spread out straight across from each other or at a 180 degree angle while a Northern Harrier will fly with its wings slightly elevated into a V-shape.

Of course the above is rather simplified as identifying birds is a lot more involved. But these are the basics of where to begin. As you study more and more birds you will begin to develop a real knack for picking one out of a crowd, so to speak.


Birds - How To Identify Them

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Wednesday, December 21, 2011

Twins- 8 (Jonas Sister)

Nick's POV I felt pain and depression wash all throughout my body as she mentioned her past boyfriends. She looked shocked as I said she was the problem. "What's wrong with me?" she asked. "The way you're feeling." I replied. She looked down at the ground and folded her arms. I took my hand off her shoulder and asked, "What did they do? And I'm your twin, I'll know if you lie." She looked back up at me and sighed. "My first boyfriend, Pete...He was just a big perv and tried to get in my pants." she grinned at her choice of words. "DID he get in?" I growled. She rolled her eyes and said sarcastically, "Yes. Of COURSE he did." I playfully hit her shoulder and she laughed. "And the second?" I asked, getting back to the topic. She looked distracted. "Um..." she mumbled. Haley's POV How would I tell him about Kurt- "HALEY!!" I familiar booming voice shouted. Speak of the devil and he shall appear. Like everyone thought about Voldemort in Harry Potter, kind of. I turned and saw Kurt dashing toward me, fury everywhere on his face. When he was about a foot away, I could see the fire in his eyes. "Hiiiiiiiii, Kuuuuuuuuurt." I said innocently, my eyes roaming everywhere but to him. "WHERE have you BEEN??" he growled, grabbing my forearm tightly. I sucked in the pain and said through clenched teeth, "With my family." I heard Nick mumble, "Ow." I looked at him and he was rubbing his arm in the place Kurt had mine. Then his eyes looked to Kurt and he said, "Let her GO." So Kurt ...

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Sunday, December 18, 2011

Step2 Up & Down Roller Coaster , (711400)

!±8±Step2 Up & Down Roller Coaster , (711400)

Brand : Step 2
Rate :
Price :
Post Date : Dec 18, 2011 03:00:10
Usually ships in 3-4 business days



This amusing roller coaster is a wholesome way to entertain your child. Boys and girls will enjoy hours of safe, active play as they ride down gentle slopes in the steady coaster car. At the top, a recessed retainer wall holds the coaster car in place so it can't roll forward before your child is ready. With a gentle push, kids go on a fun-filled ride that will have them smiling from beginning to end.

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Thursday, November 24, 2011

Step2 Up & Down Roller Coaster , (711400)

!±8± Step2 Up & Down Roller Coaster , (711400)

Brand : Step 2 | Rate : | Price :
Post Date : Nov 24, 2011 09:38:50 | Usually ships in 2-3 business days


This amusing roller coaster is a wholesome way to entertain your child. Boys and girls will enjoy hours of safe, active play as they ride down gentle slopes in the steady coaster car. At the top, a recessed retainer wall holds the coaster car in place so it can't roll forward before your child is ready. With a gentle push, kids go on a fun-filled ride that will have them smiling from beginning to end.

More Specification..!!

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Saturday, September 24, 2011

Step 2 Up & Down Roller Coaster

!±8±Step 2 Up & Down Roller Coaster

Brand : Step 2
Rate :
Price : $107.99
Post Date : Sep 25, 2011 05:00:33
Usually ships in 4-5 business days



Let your child experience the up-and-down thrills of a roller coaster in the safety of your living room or driveway with the Up and Down Roller Coaster from Step2. The colorful snap-together track reaches 10 feet long and comes with two sets of non-slip steps that lock onto the track for added safety. The coaster car features a high back, handrail and foot rests for a secure ride. Measures approximately 123"L x 30.5"W x 14.75"H. Comes with track and coaster car. Holds up to 60 pounds. Adult supervision recommended.

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Friday, September 9, 2011

What keeps you in place in an upside-down roller coaster?

!±8± What keeps you in place in an upside-down roller coaster?

For people with restless adrenalin pumping them, there is always a roller coaster, to do the trick. And every time you get on a roller coaster, there is always a partner to ensure that the seat belt or safety bar is positioned correctly. However, when the roller coaster loop on the head, these are devices that keep you in place, but physical.

In essence, the acceleration is a change in direction or speed. But when something moves in a circle, is constantly evolvingDirection, so it is always faster, even if its speed remains the same. The strength, the acceleration towards the center of a circle is called centripetal force causes. When you connect an object to a string and swing it in circles, the cable is tight, and the tensile forces that move the object in a circle. You can feel the constant force at the other end of the rope, but if you go there, you leave the flies away.

If you have a roller coaster ride through a loop, asimilar process takes place. She is constantly changing direction, then accelerated when the track is constantly pushing the car in a new direction. The car pushes against the track and the track is pressed against the machine, and consequently, the seat of the car pushes in the same direction.

They are used to press upwards against gravity of the train, so when you reach the end of the cycle, there is, don t push 'is too. If through the cycle, inertia tendsto keep you moving in a straight line distance from the center of the circle. Centripetal force is always at the same time it pushes the center of the circle. If you go over the top, is expected to continue to press into the air, but the car is against you to prevent it. They would stay in cash in the car without the security. However, try Don 't there.

Then, when you turn the bottom of the drive on or over the top of a hill on a roller coaster, the centripetal force is backInfluence on you. As the mountains through a jump, the centripetal force is constantly pushing upwards, towards the middle of the curve, while the pilot is pushed down by gravity. They feel heavier in the deep because of the combination of force and gravity above. As you drive on top of a hill, the centripetal force pulls the car toward the center of curvature. But this time the car will not move because you're on it, and the downward force. Its inertiatakes you to the safety bar exerts a downward force. At this point, the safety bar is extremely important. If the force is large enough, you will feel weightless at the point where the force of gravity down is exactly up your inertia.


What keeps you in place in an upside-down roller coaster?

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