บทความ

กำลังแสดงโพสต์ที่มีป้ายกำกับ Learning

Learning About Hummingbirds

Hummingbirds are a joy for a birdwatcher to observe. They are found only in the Western Hemisphere, from as far north as Southeastern Alaska and the Maritimes of Canada and as far south as Southern Chile. There are approximately 350 species of hummingbirds with 320 species found in the tropics. Within the family of hummingbirds is found the smallest bird in the world, the Bee Hummingbird of Cuba at 2.17 inches (5.5 cm) and weight 1.95gm (0.07 oz). Hummingbirds range in size from 2 inches to 8 inches. The hummingbird derives its name from the humming sound that is produced by its rapid wingbeat. Generally the wingbeat is so rapid that the individual only sees a blur as most of these birds flap their wings about 50 times per second. The speed of the wingbeat depends on the size of the bird, the largest the Giant Hummingbird, has a wingbeat rate of 10-15 times per second. The fastest recorded rate was about 80 times per second, on a tiny Amethyst Woodstar, and the slightly smaller B...

Hummingbird Fish Finders - Learning to Master Your New Hummingbird Fish Finder

Let's dispel the notion that using Hummingbird fish finders is a daunting task. As with any electronic gadget, the various buttons which control your unit may seem confusing at first. Once you understand the basics of the fish finder and what it can do, using it becomes second nature. The old adage "if all else fails, read the instructions" has some truth to it, but oftentimes instructions can be confusing. Understand that you will NOT understand every aspect of the fish finder the first time you use it. Remember, this is a high-tech piece of equipment, but thanks to the good people at Hummingbird , it is easy to master with a little time and patience. Humming Bird The first thing you will want to do is power on your unit using, you guessed it, the POWER button! The title screen will appear and moments later you will see your first images of what lies below. The first thing that will pop out as you is a horizontal line towards the bottom of the screen. This i...