• [2012-02-27] Unusual Number of Grizzly and Hybrid Bears Spotted in High Arctic
  + http://e360.yale.edu/digest/unusual_number_of_grizzly__and_hybrid_bears_spotted_in_high_arctic/3567/ + http://www.alaskadispatch.com/article/surge-hybrid-polar-grizzly-bear-sightings-befuddle-scientists + http://ksj.mit.edu/tracker/2012/08/calgary-herald-yale-e360-alaska-dispatch
  in Tietoukka Monitor > 2012 > 2012-30 with hybridization polar_bears

hybridization from all users