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| Leptodactylidae | |
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Eleutherodactylus crassidigitus. Medium sized eleuth. Very strong jumper, long legs, and large square toe-pads. Black band through eyes. This individual is unusually green. Generally they are more brown on their backs. Found in forested areas. E. fitzingerii is identical to this species except for that it is found in open pastures and areas, and has yellow spots on its hind-thighs. Larger image |
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Eleutherodactlyus cruentus. Found at night on vegetation in forests. Small nubs (tubercles) on top of eyes, and mottling of yellow patches in groin (that the similar looking E. ridens does not have). This image shows a male (on top) and female in amplexus. Larger image |
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Eleutherodactylus fitzingeri. Very similar to E. crassidigitus except that this species is found in open areas, a very different call, and has yellow patches on its hind thighs. Larger image |
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Eleutherodactylus melanostictus Slide 1 of 2. Found at higher elevations (I found this guy at around 1300m). Notice distinct black & white pattern in groin, thighs, and belly (next slide). Larger image |
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Eleutherodactylus melanostictus Slide 2 of 2.
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Eleutherodactylus pardalis. Uncommon eleuth with clear patches
of white and black in groin and calves.
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Eleutherodactylus podiciferus. Very common diurnal eleuth in leaf-litter at higher elevation (above 1200m, in higher parts of Las Cruces reserve). Image shows a male (left), large female, and three eggs. Females as well as males will call to attract mates (see article, including more photos). In lower elevations, the most common diurnal leaf-litter eleuth is E. stejnegerianus. Larger image |
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Eleutherodactylus ridens. Most common nocturnal eleuth, seen perched on vegetation from 0-3m. Males have a yellow throat, and the larger females a white/silver throat color. Small squarish toe-pads. Larger image |
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Eleutherodactylus rugosus. Formerly named biporcatus. Large head relatif to body length, inner most finger (#1)(not visible on this image) longer than finger #2, and ridges on head (cranial crests). Uncommon. Larger image |
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Eleutherodactylus stejnegerianus. Very common diurnal eleuth, seen jumping in the leaf-litter at lower elevations of the forest reserve of Las Cruces (900-1200m). We also observed females of this species reciprocal calling with males before amplexus (see related article). Can be difficult to distinguish from E. podiciferus. Larger image |
| slide on loan | Eleutherodactylus vocator. Very small (less than 19mm SVL) noctural
eleuth, with a VERY loud call, often heard just outside the office (Wilson
house) of the station. Has a sliver-gray body and venter, with small, black,
pointy toe-pads. Often has a small dark bar between its eyes.
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Leptodactylus poecilochilus. Slide 1 of 2. Heavy body, and ridges down back. Found calling at the end of the dry season/early wet season, on the muddy banks of ponds. May sometimes call from a small cavity it has dug underground. See also next slide. Larger image |
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Leptodactylus poecilochilus. Slide 2 of 2. Note thin yellow line across back of thighs. Larger image |
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Physalaemus pustulosus. Slide 1 of 2. An ugly little frog, if I may say. Found breeding in the dirtiest little bodies of water, even on the side of a road or in a village. Pointy little nose and rough skin. Has a distinctif tubercule on the bottom plant of its foot. See also next slide. Larger image |
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Physalaemus pustulosus. Slide 2 of 2. Note black and white patterns on venter. Larger image |
| Ranidae: | |
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Rana "pipiens". Looks just like the Green Frog found in the USA. Note distinct dorso-lateral ridges. Found in or near larger ponds (like the Gamboa pond, above the forest reserve). The species names is in quotes ("") because it is currently being described. Larger image |
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Rana warzewitschii. Slide 1 of 2. A beautiful ranid, found in the leaf-litter of lower elevation forested areas (ca. 1000m). Back has mottled green and brown. Note distinctif venter in follow slide. Larger image |
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Rana warzewitschii. Slide 2 of 2. Bright yellow/gold stomach, and grapefruit-juice red on thighs. Larger image |
