Locale Ankarana West

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Ankarana

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Ankarana -13.116930, 48.938599 Ankarana, Madagaskar (Directions)

Distribution of the locale:

Ankarana national park is in northwest Madagascar in region Diana. It is separated into two large areas by the Tsingys, an impressive needlestone formation. One side is the east, and the other is the west with its extensive dry forests. In contrast to the eastern area, the western part of the Tsingys is difficult to access via offroad tracks or by boat via the Channel of Mozambique. This is the reason for only very few travelers visiting this part of the national park. In the dry forest of Ankarana west, male panther chameleons are rust red, which is completely different to the locale of the eastern part of the same park.

Appearance of the locale:

The male panther chameleons in Ankarana’s western dry forest have a rust red to yellow-orangeish colour that is massively different from the locale of the other side of the Tsingys.

In Madagascar, it is illegal to catch animals in protected areas or even inside national parks. If you find this locale outside Madagascar, you can be sure that the chameleon was either illegaly exported or is not from this locale. In most cases, the offered animals are simply sold under wrong locale name to raise the prices.

Weight table

Gewichtstabelle Furcifer pardalis 2018

Gewicht = weight in grams, Kopf-Rumpf-Länge = snout-vent-length in cm, Weibchen = females, Männchen = males

Since 2015 we have been measuring the weights of chameleons we have found in Madagascar, as far as the animals (and our scales) are participating. So far there are only a few weights, in the long term an average weight in relation to the snout-vent-length It is important to know that all weights were measured towards the end of the rainy season (= best food supply), so they are probably maximum weights in Madagascar. Triangular symbols in females do not mean pregnant, round symbols mean pregnant. In the case of Furcifer pardalis, contrary to our original assumption, there have been no serious differences in the ratio of SVL to the weight of the individual locales.

 

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature 25 25 24 23 20 19 18 19 20 22 23 24
Minimum temperature 21 20 20 19 16 14 14 14 15 17 19 20
Maximum temperature 30 29 28 27 26 24 23 24 25 27 28 29
Rain days 26 24 21 12 8 7 9 9 7 9 13 20

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.

Ankarana is a dry forest divided in two halfs by the famous Tsingys, needle stone rocks. Inside the dry forest, it is very warm during daytime all year long. During rainy season from October to April, temperatures above 30°C are rather usual and it often rains.

During dry season from May to September days are a little cooler, but still very warm. At night, temperatures don't really drop in rainy season, but in dry season temperatures drop to 15°C at night. Dry season, by the way, means really dry in Ankarana: The major part of the trees looses its leaves and there is few precipitation only every couple of days. The rivers that have been torrentially in rainy season, dry up completely only leaving the bare stony river beds.

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

We have measured UVB data with a Solarmeter 6.5 in spring (beginning of 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 Ankarana available yet.

Habitat:

The habitat of panther chameleons in Andapa consists of old dry forest with huge trees and very dense undergrowth. The sandy ground is covered by foliage. Shrubs consists of endless extremly twined plants in which it is really difficult to find the animals. Sometimes the panther chameleons here come close to the edge of the Tsingys. There are several rivers in the forest that become wild rushing waters during rainy season and compltely dry up during dry season.

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