The Cinema

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  1. Here is last week's butterfly video in honor of Learn About Butterflies Day:



    Post from Facebook:
    In honor of Learn About Butterflies Day, here's a little peek into the world of these fluttering beauties:

    *There are at least 18,500 documented butterfly species. They live everywhere, except Antarctica. Many species migrate during winter.

    *Butterflies have some of the most intense color combinations in nature. Yet, their actual wings are transparent. Butterfly wings are covered with thousands of tiny, pigmented scales that are split into layers. In turn, each individual scale has multiple layers that are separated by air. When light hits the different layers, it gets reflected many times, in different ways, and at various angles. The combination of all of these reflections creates intense colors and iridescence.

    *Butterflies only feed on liquids. This may include nectar, mud, poop, tears, sap, and decaying flesh. They use their proboscis to sip liquids. Most butterflies subsist primarily on nectar and supplement their diets with mud, or other substances that are rich in minerals. These additional minerals get incorporated into sperm and improve the viability of eggs. The behavior of seeking nutrients from moist substances is called puddling.

    *Most butterflies only live a few weeks. The average lifespan is approximately 2-4 weeks, but some can live as long as nine months.

    *Butterflies rank low on the food chain. There are many predators in nature that would enjoy eating a butterfly. So, it benefits a butterfly to have sophisticated and creative defensive tactics. They rely on camouflage, aposematic colors, and mimicry to fool and evade potential predators.

    *Butterflies navigate using the sun as a compass. As they fly, they constantly register where the sun is in relation to the horizon. Basically, their eyes detect the sun's position and send a signal to the brain, which tells the body which way to go.

    *Butterflies are cold-blooded. They cannot regulate their own body temperatures. Instead, they rely on their surroundings to manage their body heat. During the day, they accomplish this by basking with their wings open to absorb warmth from the sun. Sometimes the sun doesn't provide enough warmth, so butterflies will shiver or flutter their wings in order to warm their muscles up. At night, they roost in protected areas to conserve body heat.

    Enjoy the slideshow!
    Replied 5 months ago, modified 5 months ago
  2. Great post, Christine, love that video! Fun fact: after birds, moths and butterflies are the 2nd densest category of animals document at JD. Replied 5 months ago
  3. Interesting! Replied 5 months ago

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