Profesor de la Universidad de Los Andes (Santafé de Bogotá, Colombia)
hasta 2003, es especialista en Ecología y comportamiento de anfibios
anuros.

Ha donado a la Fonoteca Zoológica una amplia colección de registros
de anuros de Colombia.

BIBLIOGRAFÍA:
Amézquita, A. & Lüddecke, H. 1999. Correlates of intrapopulational variation in size at metamorpphosis of the high-andean frog Hyla labialis. Herpetologica, 55, 295-303.
Bernal, M. H. & Lüddecke, H. 2001. Effects of water temperature and body size on dive time of the Andean frog Hyla labialis. Amphibia-Reptilia, 22, 373-377.
Gutierrez, G. & Lüddecke, H. 2003. Mating pattern and hatching success in a population of the Andean frog Hyla labialis. Amphibia-Reptilia, 24, 37-46.
Lüddecke, H. 1999. Assessment of disc clipping on the survival and behavior of the Andean frog Hyla labialis. Copeia, 1999, 824-830.
Lüddecke, H. 2000. Behavioral aspects of the reproductive biology of the Andean frog Colostethus palmatus (Amphibia: Dendrobatidae). Revista de la Academia Colombiana de Ciencias Exactas Fisicas y Naturales, 23, 303-316.
Lüddecke, H. 2001. Variation in mating pattern in a population of the Andean frog Hyla labialis. Amphibia-Reptilia, 22, 199-207.
Lüddecke, H. 2002. Association between breeding cycle and male body condition in Hyla labialis. J. Herpetol., 36, 281-288.
Lüddecke, H. 2002. Variation and trade-off in reproductive output of the Andean frog Hyla labialis. Oecologia, 130, 403-410.
Lüddecke, H. 2003. Space use, cave choice, and spatial learning in the dendrobatid frog Colostethus palmatus. Amphibia-Reptilia, 24, 37-46.
Lüddecke, H. & Hernando Bernal, M. 2003. Diving behaviour of the Andean frog Hyla labialis. Alytes, 20, 150-160.
Lüddecke, H. & Sanchez, O. R. 2002. Are tropical highland frog calls cold-adapted? The case of the Andean frog Hyla labialis. Biotropica, 34, 281-288.