page_title: Vertical clinging and leaping
section_title: Vertical clinging and leaping primates
hierarchical_section_title: Vertical clinging and leaping / Vertical clinging and leaping primates
caption_attribution_description: Deutsch: Indri im Andasibe-Mantadia-Nationalpark
context_page_description: Vertical clinging and leaping is a type of arboreal locomotion seen most commonly among the strepsirrhine primates and haplorrhine tarsiers. The animal begins at rest with its torso upright and elbows fixed, with both hands clinging to a vertical support, such as the side of a tree or bamboo stalk. To move from one support to another, it pushes off from one vertical support with its hindlimbs, landing on another vertical support after an extended period of free flight. Vertical clinging and leaping primates have evolved a specialized anatomy to compensate for the physical implications of this form of locomotion. These key morphological specializations have been identified in prosimian fossils from as early as the Eocene.
context_section_description: Vertical clinging and leaping has only been observed in primates, and primarily in prosimians. A few anthropoids have been observed to engage in this behavior, such as Pithecia, and are similar in morphological adaptations to prosimians who rely on VCL.
  Vertical clinging and leaping strepsirrhine taxa include:
  Galagidae
  Indriidae
  Indri
  Propithecus
  Avahi
  Lepilemuridae (Lepilemur)
  Prolemur
  Cheirogaleus
  Vertical clinging and leaping haplorrhine taxa include:
  Tarsiidae
  Pitheciinae
  Cacajao
  Chiropotes
  Pithecia
  Cebuella
  Callimico
  Saguinus
caption: Indri indri clinging to a tree
exif: {"Image YResolution": "72", "Image XResolution": "72", "Image ImageWidth": "3648", "Image ImageLength": "2736", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "188", "Image Orientation": "0", "Image ResolutionUnit": "Pixels/Inch", "Image BitsPerSample": "[8, 8, 8]", "Image DateTime": "2019:10:16 14:04:26", "GPS GPSLatitude": "[18, 56, 4]", "GPS GPSLatitudeRef": "S", "GPS GPSLongitudeRef": "E", "GPS GPSTimeStamp": "[11, 4, 24]", "GPS GPSLongitude": "[48, 24, 38]", "GPS GPSDate": "2019-10-16", "Image GPSInfo": "839", "Thumbnail ImageLength": "384", "Thumbnail YResolution": "72", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail JPEGInterchangeFormat": "1148", "Thumbnail JPEGInterchangeFormatLength": "53711", "Thumbnail XResolution": "72", "Thumbnail ImageWidth": "512", "Thumbnail Orientation": "0", "Thumbnail ResolutionUnit": "Pixels/Inch", "EXIF ExifVersion": "0210", "EXIF ApertureValue": "169/100", "EXIF SceneType": "Directly Photographed", "EXIF SubjectDistanceRange": "0", "EXIF ExposureBiasValue": "0", "EXIF ExposureProgram": "Program Normal", "EXIF ColorSpace": "sRGB", "EXIF MaxApertureValue": "169/100", "EXIF ExifImageLength": "2736", "EXIF BrightnessValue": "0", "EXIF DateTimeOriginal": "2019:10:16 14:04:26", "EXIF FlashPixVersion": "0100", "EXIF SubSecTimeOriginal": "975755", "EXIF WhiteBalance": "Auto", "Interoperability InteroperabilityIndex": "R98", "EXIF InteroperabilityOffset": "1000", "EXIF CustomRendered": "Custom", "EXIF ExposureMode": "Auto Exposure", "EXIF ExposureTime": "1/100", "EXIF Flash": "Flash did not fire", "EXIF SubSecTime": "975755", "EXIF FNumber": "9/5", "EXIF ExifImageWidth": "3648", "EXIF Saturation": "Normal", "EXIF ISOSpeedRatings": "160", "EXIF ComponentsConfiguration": "YCbCr", "EXIF FileSource": "Digital Camera", "EXIF FocalLengthIn35mmFilm": "69", "EXIF CompressedBitsPerPixel": "19/20", "EXIF SubSecTimeDigitized": "975755", "EXIF Contrast": "Normal", "EXIF Sharpness": "Normal", "EXIF DigitalZoomRatio": "1", "EXIF DateTimeDigitized": "2019:10:16 14:04:26", "EXIF ShutterSpeedValue": "298973/10000", "EXIF MeteringMode": "Pattern", "EXIF FocalLength": "279/50", "EXIF GainControl": "None", "EXIF SceneCaptureType": "Standard", "EXIF LightSource": "Daylight", "EXIF SensingMethod": "One-chip color area"}