From: The effect of body size evolution and ecology on encephalization in cave bears and extant relatives
Species | n | average body mass (g) | StD body mass (g) | average body mass literature (g) | average brain mass (g) | StD brainmass (g) | average residuals | StD average residuals | diet score | dormancy score | d*d |
---|---|---|---|---|---|---|---|---|---|---|---|
Ailuropoda melanoleuca | 5 | 118'637 (105'324–135'094) | 10,748.36 | 97'500 (70'000–125'000) | 281.79 (238.28–331.52) | 33.89 | −0.0029 | 0.0548 | 1.000 | 3.000 | 3.000 |
Tremarctos ornatus | 8 | 80'918 (64'223–110'621) | 15,049.56 | 117'500 (60'000–175,000) | 227.92 (176.12–279.72) | 31.33 | 0.0373 | 0.0320 | 1.814 | 3.000 | 5.443 |
Ursus americanus | 28 | 117'116 (83'885–155'600) | 20,168.42 | 170'000 (40'000–300'000) | 256.78 (186.48–352.24) | 38.39 | −0.0373 | 0.0422 | 1.884 | 1.000 | 1.884 |
Ursus arctos | 93 | 177'628 (92'655–320'042) | 40,696.57 | 390'000 (55'000–725'000) | 378.08 (207.20–538.72) | 61.38 | −0.0080 | 0.0464 | 1.637 | 1.000 | 1.637 |
Ursus deningeri | 1 | 254,996 | - | - | 341.88 | - | −0.1770 | - | - | - | - |
Ursus malayanus | 50 | 82'379 (56'333–108'841) | 13,709.85 | 52'500 (25'000–80'000) | 340.43 (227.92–435.12) | 47.31 | 0.2047 | 0.0403 | 2.684 | 3.000 | 8.051 |
Ursus maritimus | 82 | 211'265 (144'141–277'270) | 33,275.87 | 402'500 (150'000–655'000) | 498.80 (393.68–611.24) | 53.75 | 0.0525 | 0.0320 | 2.970 | 2.000 | 5.940 |
Ursus spelaeus | 99 | 322'764 (209'553–425'411) | 57,207.28 | 362'500 (225'000–500'000) | 430.10 (321.16–569.80) | 52.36 | −0.1550 | 0.0443 | 1.000 | 1.000 | 1.000 |
Ursus thibetanus | 29 | 113'424 (78'533–166'402) | 21,401.65 | 120'000 (40'000–200'000) | 282.58 (186.48–414.40) | 45.66 | 0.0155 | 0.0577 | 1.920 | 1.000 | 1.920 |
Ursus ursinus | 17 | 147'081 (124'439–183'291) | 18,122.18 | 100'000 (50'000–150'000) | 292.52 (248.64–352.24) | 26.04 | −0.0573 | 0.0360 | 2.606 | 3.000 | 7.818 |