96492
" Darevskia rudis " , " D. valentini " and " D. portschinskii " all hybridize with each other in their hybrid zone ; however , hybridization is stronger between " D. portschinskii " and " D. rudis " , which separated earlier but live in similar habitats than between " D. valentini " and two other species , which separated later but live in climatically different habitats .
 Darevskia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Darevskia