| উদ্ধৃতি | Derocher, A.E. and O. Wiig, 2002 Postnatal length and mass of polar bears (Ursus maritimus) at Svalbard. J. Zool. Lond. 256:343-349. |
| সূত্র | 3731 Derocher, A.E. and O. Wiig, 2002 |
| পৃষ্ঠা | |
| Named Used as Valid | Leptonychotes weddellii |
| এলাকা | |
| Distribution |