Download e-book for iPad: Dolphins: Wonderful Discoveries Series - The Complete Guide by Cathy Thompson

By Cathy Thompson

Whole with enjoyable evidence and designed with kids in brain, this booklet is full of brilliant, colourful images and obviously written textual content. younger readers will examine the place dolphins stay, what they consume, and masses extra. Written by way of a former instructor and volunteer librarian, this starting reader is nearly 500 phrases in size. Dolphins are notable animals. enable your baby notice them this day! Books within the fabulous global Discoveries sequence are designed to satisfy particular early studying and college curriculum ambitions.

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Cathy Thompson's Dolphins: Wonderful Discoveries Series - The Complete Guide PDF

Entire with enjoyable proof and designed with young ones in brain, this ebook is stuffed with vivid, colourful images and obviously written textual content. younger readers will examine the place dolphins reside, what they consume, and lots more and plenty extra. Written by means of a former instructor and volunteer librarian, this starting reader is nearly 500 phrases in size.

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From Flipper to SeaWorld, dolphins have lengthy captured our hearts. we like those pleasant, clever mammals, they usually appear to go back our feelings—they take pleasure in interacting with swimmers and feature been identified to encircle humans below assault by means of sharks. regardless of our familiarity with dolphins, although, we stay ill-informed approximately how they developed, how they functionality, and the way they've got interacted with people for millennia.

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Additional resources for Dolphins: Wonderful Discoveries Series - The Complete Guide for Beginners & Early Learning

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6/15/07 9:20 AM Page 45 Fig. 36. Some owls look like accident victims when they sunbathe. Burrowing Owl shown. Fig. 37. This Northern Sawwhet juvenile is using a floor lamp for “sun” bathing, mistaking the light for a patch of sun. excitedly run about in the rain, and Western Screech-Owls and Flammulated Owls nearly submerge themselves with great enthusiasm. All deliberately wipe their beaks afterward. At least some of the species also sunbathe. Great Horned Owls bathe in fine sand, and their elongate scrapes, often with a few molted feathers, can be found on woodland dirt roads (B.

Rods (for black-and-white vision under low-light conditions) comprise 80 percent of the light receptors, the remainder being cones (for color vision), which, AN OWL’S BODY 19 Peeters-1:v. 6/15/07 9:20 AM Page 20 Fig. 14. Skulls of a Red-tailed Hawk (left) and a Great Horned Owl (right). The hawk has prominent supraorbital ridges that shield the eyes, and the owl has enormous sclerotic rings to support the exposed eyes in their very shallow orbits. however, require bright light to function. Owls also lack the capacity to perceive ultraviolet (UV) light, important to some other birds (Bowmaker and Martin 1978).

Next, the light continues through the lens and finally reaches the retina, the camera’s film, where highly specialized nerve cells form an image that is passed on to the brain for recognition or interpretation. The actual shape of birds’ eyeballs is variable; some are roughly spherical, like a human’s; others are flatter, as in waterfowl, for example; and those of diurnal raptors are conical. The distinctive great size of most owls’ eyes is the result of the major enlargement of the cornea, pupil, and lens to admit maximum light under low-light conditions.

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