Distribution, habitat requirements and status of threat of the midwife toad Alytes obstetricans in Baden-Wuerttemberg Verbreitung, Habitatansprueche und Bestandssituation der Geburtshelferkroete Alytes obstetricans in Baden-Wuerttemberg

Sowig, P.; Fritz, K.; Laufer, H.

Zeitschrift fuer Feldherpetologie. Maerz; 101: 37-46


Accession: 038157584

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In Baden-Wuerttemberg (southwest Germany) 130 localities inhabited by the midwife toad (Alytes obstetricans) are recorded. The habitats at 14 localities are destroyed, and from further 65 sites no recent records are available. In total, the midwife toad has to be regarded as "very endangered". With the exception of some records of offspring from released individuals, all natural occurrences are from the southwestern parts of Baden-Wuerttemberg. In the Black Forest the midwife toad is distributed up to altitudes of 1000 m and is mostly found in the vicinity of fire ponds near remote farms. In the Rhine valley gravel pits are the preferred habitats. The size of populations are hard to estimate. It must be concluded that most populations are very small.