Your tulip bulbs have arrived and you're going to bury them in the garden. But wait! What's a bulb? Let's take a look. A bulb contains everything needed for winter survival and spring growth. Explore your bulbs and as a scientist, predict what its parts will become when spring arrives.
By Estela Romero, Journey North correspondent in Mexico
Soon the real Monarchs will be preparing to leave their northern home and migrate to central México to spend the winter with us! We are so excited to receive the beautiful Symbolic Monarchs you are preparing to make and send.
Please keep in mind a couple of important things as you make and send your paper butterflies:
Contributed by Hummingbird Expert Lanny Chambers
- threats/human impacts
- habitat loss
- conservation status
- historic
population size - conservation efforts
Contributed by Hummingbird Expert Lanny Chambers
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habitat and range
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niche
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food
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enemies
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adaptations
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migration
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populations
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distribution
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ecosystems
Contributed by Hummingbird Expert Lanny Chambers
- size
- weight
- body systems
- physiology
- senses
- communication
- other physical characteristics
Q. How big are hummingbirds?
A. Ruby-throated hummingbirds are 3 - 3.75 inches long with a wingspan of 4 - 4.75 inches. Rufous hummingbirds are 3.5 - 4 inches long with a wingspan of 4.25 inches.
Analyze Fall Data
Fueled by the nectar, hummingbirds double their weight as they prepare to fly hundreds or even thousands of miles. Males leave first, as early as mid-July. Females follow, and then the young who migrate for the first time all alone.
Monarch Wings Over Time
Monarch Wings Over Time
By April, the overwintering monarchs have only a few weeks to live. Their wings have changed dramatically. Images in this photo gallery show what happens and why.