This site gives you the insight of what animals are experiencing during a solar eclipse and how there behavior changes. Some zoos will watch for any unusual behavior of any of the primates. The Tennessee Aquarium in Chattanooga says that they will be watching its lemurs carefully. There is evidence from eclipses over the years that lemurs "behave oddly during these events".
An eclipse is when a heavenly body such as the moon or planets move into the shadow of a heavenly body creating an eclipse. This is a great site because it explains how a solar eclipse "forms". There are three types of solar eclipses: total solar eclipse, partial solar eclipse, and annular solar eclipse. A lunar eclipse can be seen from earth at night. There are two types of lunar eclipses: total lunar eclipse and a partial lunar eclipse.
This site will help you protect your eyes during a solar eclipse so that you know how to keep yourself safe and people you know so that you don't go blind or damage your eyes. Do not try to video or photograph the solar eclipse. If you just glance up at a solar eclipse you will be fine but if you are going to watch you will need the special glasses. It is more dangerous during an eclipse because it is dimmer and can trick you into thinking it is safe to look at the sun.
This site tells you about how often solar eclipses happen. It takes around 375 years for a total solar eclipse to happen again in the same spot. A total lunar eclipse can be seen in the same location approximately every 2.5 years. Most calendar years have two to five solar eclipses each year.