Seeds of the Future
Fast-flying fungal spores
Middle school science adventures
Tree Frogs
Little Beetle, Big Horns
Monkey Math
A Butterfly's New Green Glow
The Smell of Trust
Pondering the puzzling platypus
Swedish Rhapsody
Chemistry and Materials
The chemistry of sleeplessness
Popping to Perfection
Atomic Drive
Small but WISE
The hungry blob at the edge of the universe
Electronic Paper Turns a Page
Dinosaurs and Fossils
A Big, Weird Dino
A Rainforest Trapped in Amber
Dinosaur Eggs-citement
E Learning Jamaica
Results of GSAT are in schools this week
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
2014 GSAT Results for Jamaican Kids
Riding to Earth's Core
Springing forward
Polar Ice Feels the Heat
The Best Defense Is a Good Snow Fence
Sounds and Silence
A Change in Time
Finding the Past
A Long Haul
Unearthing Ancient Astronomy
Traces of Ancient Campfires
Skates and Rays
White Tip Sharks
Food and Nutrition
Chew for Health
Yummy bugs
Turning to Sweets, Fats to Calm the Brain
GSAT English Rules
Who vs. That vs. Which
Adjectives and Adverbs
GSAT Exam Preparation Jamaica
GSAT Scholarship
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
Ministry of Education Announces 82 GSAT Scholarships for 2010
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GSAT Exam Preparation
GSAT stars reap scholarship glory
GSAT Practice Papers | GSAT Mathematics | Maths
GSAT Mathematics
Secrets of an Ancient Computer
Losing with Heads or Tails
Math and our number sense:
Human Body
A Long Haul
A Sour Taste in Your Mouth
Sleeping Soundly for a Longer Life
Bumblebee Bats
African Leopards
Children and Media
How children learn
Expert report highlights the importance to parents of reading to children!
Speedy stars
Spin, Splat, and Scramble
Gaining a Swift Lift
Assembling the Tree of Life
Underwater Jungles
City Trees Beat Country Trees
Space and Astronomy
Saturn's New Moons
Catching a Comet's Tail
Tossing Out a Black Hole Life Preserver
Technology and Engineering
Model Plane Flies the Atlantic
Weaving with Light
Young Scientists Take Flight
The Parts of Speech
What is a Preposition?
Adjectives and Adverbs
Problems with Prepositions
Middle school science adventures
Robots on the Road, Again
Tinkering With the Basic Bike
Watering the Air
A Change in Climate
Polar Ice Feels the Heat
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Listen outside in any season, at almost any time of day, and you'll hear them: songbirds. Although most birds make some kind of noise, songbirds put on a particularly brilliant show, using their voices to produce pleasing whistles, chirps, and melodies to challenge one another, attract a mate, or communicate with other members of their species. Bird songs between species are so unique that birdwatchers can identify species just by the song they're singing. A songbird is a bird belonging to the suborder Oscines of Passeriformes (ca. 4000 species), in which the vocal organ is developed in such a way as to produce various sound notes, commonly known as bird song. Songbirds evolved about 50 million years ago in the western part of Gondwana that later became Australia, New Zealand and Antarctica and later spread around the world. This 'bird song' is essentially territorial in that it communicates the identity and whereabouts of an individual to other birds and also signals sexual intentions. It is not to be confused with bird calls which are used for alarms and contact, and are especially important in birds that feed or migrate in flocks. Other birds have songs to attract mates or hold territory, but these are usually simple and repetitive, lacking the variety of many passerine songs. The monotonous repetition of the Common Cuckoo or Little Crake can be contrasted with the variety of a Nightingale or Marsh Warbler. Although many songbirds have songs which are pleasant to the human ear, this is not invariably the case. Many members of the crow family make croaks or screeches which sound harsh to humans


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