Pygmy hippopotamus unusual secretion as common hippos, that gives a pinkish tinge to their bodies, and is sometimes described as "blood sweat" though the secretion is neither sweat nor blood. This substance, hipposudoric acid, is believed to have antiseptic and sunscreening properties. The skin of hippos dries out quickly and cracks, which is why both species spend so much time in water. The skeleton of "C. liberiensis" is more gracile than that of the common hippopotamus, meaning their bones are proportionally thinner. The common hippo's spine is parallel with the ground; the pygmy hippo's back slopes forward, a likely adaptation to pass
Short-tailed pygmy tyrant Short-tailed pygmy tyrant The short-tailed pygmy tyrant ("Myiornis ecaudatus") is a small species of tyrant-flycatcher. The species is one of the smallest birds on Earth and the smallest passerine. Among both the family and the order, only the closely related black-capped pygmy tyrant approaches similarly diminutive sizes. The pygmy tyrant is widespread throughout most of the Amazon in northern and central South America. A resident of tall humid forests, the bird is occasionally found in more open woodland, specifically around treefalls and tall trees in clearings. It ranges from sea-level to . It is fairly common throughout most of its