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Calumma brevicorne

Calumma brevicorne in VOIMMA 2017
Calumma brevicorne in Andasibe
Calumma brevicorne in Andasibe
Calumma brevicorne aus Analamazaotra 2013
Calumma brevicorne
Calumma brevicorne
Calumma brevicorne aus Andasibe
Calumma brevicorne
Calumma brevicorne in Analamazaotra 2018
CITES quotas
2011-13 no specimen, 2014-19 each 500 specimen for legal export

First description:

Günther, 1879

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Calumma brevicorne

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Andasibe: -18.938601, 48.428936
Analamazaotra: -18.938763, 48.407822
Analamazaotra - Mitsinjo: -19.011489, 48.485413
Andohahela: -24.676346, 46.750946
Moramanga: -18.947100, 48.230400

Distribution:

Calumma brevicorne with high probability in Analamazaotra, part of Andasibe-Mantadia national park. These chameleons are quite common there, and you can find them without any problems during nightwalks along the streets sleeping on branches. And even during the day you will find some at the edge of the road. Young individuals are easy to find in spring directly in front of the Analamazaotra park office in shrubs and low bushes. The habitat of Calumma brevicorne mainly consists of primary rainforest with very high trees and much undergrowth. They are much less common in open terrain or close to villages.

Appearance and size:

Calumma brevicorne belongs to the larger chameleon species. With a total length of 40 cm, males are larger than females with only 28 cm. This chameleon species has occipital lobes that they can use to threat another individual – they look like elephant ears then. This display behaviour including an inflated gular sac is especially used before matings and in fights between chameleons, but is also used to impress intrusive humans. Males of this species are mainly grey-brown coloured, partially with pinkish accents on the nose appendage, while females have a shorter nose appendages and yellow accents around the eyes, on the casque and on the occipital loves. Yellow colouration is sometimes also seen in males, and males may also have brown areas on the occipital loves. Young animals are variously coloured, from bright yellow to dark brown there is everything inbetween. The dorsal ridge has variously sized spines, that are especially distinct in babies. The following pictures show very young offspring in Amber Mountain.

 

 

Gewichtstabelle

Gewichtstabelle Calumma brevicorne 2018

 

Gewicht = weight in grams, Kopf-Rumpf-Länge = snout-vent-length in cm

Since 2015, we measure the weights of most chameleons that we find in Madagascar, of course only if practicable with calm animals (and working scales). Up to date, we have only few weights. Over the long term, we want to get an average weight in proportion to the snout-vent-length (measured from the tip of the nose to the cloaca) from a large amount of measurements for each Madagascan chameleon species. It is important to know that weights were all measured at the end of the rainy season, when the chameleons have been having the highest food supply of the year. So our table may show maximum weights of chameleons in Madagascar. Triangular symbols in females mean not pregnant, spherical symbols mean pregnant.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature 23 24 23 23 22 19 19 19 20 21 22 23
Minimum temperature20 20 20 19 18 15 15 15 15 16 18 19
Maximum temperature 27 27 27 27 25 23 23 23 24 25 26 27
Rain days 27 24 19 17 18 21 20 15 16 20 25

We have collected the data given above over several years with thermometers and hygrometers at the finding places of the chameleons. "Average temperature" means that values of a whole month have been calculated to one average value per month. For example all measured minimum temperature values of February have been calculated to one average minimum temperature for February. In plain language, this means single peak values of a day may be a little higher or lower than the average minimum and maximum temperatures. It is possible that a location has an average maximum temperature of 29°C, but one day during that month it had 33°C or even 35°C there.

The region around Andasibe with the belonging forests Mantadia and Analamazaotra is located in Madagascar's eastern highlands at elevations between 900 and 1250 m above sea level. Thus temperatures sometimes reach temperatures above 25°C, but thermometers rarely climbs above 30°C or only in sunny places. At night, temperatures always drop to 10° to 15°C.

Humidity in Andasibe's rainforest is high all year long. During rainy season, it rains intensively every day, sometimes rain even lasts for days. But also dry season does not differ much besides the fact of cooler temperatures. It still rains at least every other day, in most years more often. Rain, humidity and temperature drop at night are the key features of the region around Andasibe.

2014 UVI Andasibe 2016 UVI Andasibe
Tageszeit = day time, Sonne = sun, Halbschatten = half shade, Schatten = shade

We have measured UVB data with a Solarmeter 6.5 in spring (March, April) at the peak of activity of chameleons in Madagascar. We always measured the values that a chameleon could maximally reach in its habitat.

Unfortunately, we have no ground temperatures for the region of Andasibe available yet.

Habitat:

The following pictures show the habitat of Calumma brevicorne in the region around Andasibe. Some are even from finding places of this species. The rainforests of this area mainly consists of younger, slender trees. Calumma brevicorne does not only inhabit rainforest, but also secondary vegetation such as low tamarind trees with protruding crowns, small tree at the edge of the road or feral shrubs.

Hereinafter you can find some 360° pictures from the region of Andasibe. You can move inside these pictures via mouse click in all directions. If you click on the Theta logo, a new window with an enlarged view will open. You will also have the opportunity to look at the pictures in full screen mode. Enjoy!

Regenwald im Reservat V.O.I.M.M.A., Andasibe, Region Alaotra-Mangoro, östliches Hochland, Madagaskar, April 2017 – Spherical Image – RICOH THETA

Regenwald im Reservat V.O.I.M.M.A., Andasibe, Region Alaotra-Mangoro, östliches Hochland, Madagaskar, April 2017 – Spherical Image – RICOH THETA

Regenwald im Reservat V.O.I.M.M.A., Andasibe, Region Alaotra-Mangoro, östliches Hochland, Madagaskar, April 2017 – Spherical Image – RICOH THETA

Regenwald im Reservat V.O.I.M.M.A., Andasibe, Region Alaotra-Mangoro, östliches Hochland, Madagaskar, April 2017 – Spherical Image – RICOH THETA

Regenwald im Nationalpark Andasibe-Mantadia (Analamazaotra), Andasibe, Region Alaotra-Mangoro, östliches Hochland, Madagaskar, April 2018 – Spherical Image – RICOH THETA

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