# Barlow et al. Supplementary Data 1: D-statistic tests for unequal allele derived sharing between brown and polar bears and a cave bear candidate introgressor # Positive values are consistent with admixture between the P2 and P3 individuals, and negative values between P1 and P3 individuals. # D values, weighted block jackknife standard error, and Zscore, calculated using 4 alternative outgroups are presented in adjacent columns with prefix "D", "SE" and "Z", respectively. # Outgroups are indicated by their latin name P1 P2 P3 Damericanus Dthibetanus Dornatus Dmelanoleuca SEamericanus SEthibetanus SEornatus SEmelanoleuca Zamericanus Zthibetanus Zornatus Zmelanoleuca NB 235 GS136 0.079782 0.037504 0.035555 0.033767 0.009739 0.008964 0.008719 0.008407 8.192120 4.183884 4.077876 4.016391 NB 235 HV74 0.079545 0.038995 0.043102 0.043059 0.009109 0.008142 0.007735 0.007568 8.732300 4.789154 5.572402 5.689429 NB 235 VD-1838 0.070900 0.032561 0.034387 0.033738 0.009347 0.008284 0.008012 0.007687 7.585540 3.930621 4.292043 4.389031 NB 235 WK01 0.072318 0.033189 0.037038 0.035233 0.009206 0.008182 0.007748 0.007454 7.855598 4.056602 4.780111 4.726607 SB 235 GS136 0.079999 0.037302 0.044978 0.041639 0.009856 0.009187 0.008638 0.008425 8.116669 4.060354 5.206747 4.942517 SB 235 HV74 0.083425 0.040378 0.053689 0.052105 0.009372 0.008393 0.007880 0.007589 8.901553 4.810668 6.812956 6.865865 SB 235 VD-1838 0.074702 0.034803 0.044858 0.044274 0.009701 0.008514 0.008196 0.007877 7.700807 4.087959 5.473090 5.620477 SB 235 WK01 0.078687 0.036533 0.047893 0.045499 0.009358 0.008340 0.007716 0.007448 8.408819 4.380473 6.207335 6.108593 WH2 235 GS136 0.076561 0.032863 0.035028 0.033441 0.009952 0.009075 0.008930 0.008549 7.692652 3.621321 3.922326 3.911768 WH2 235 HV74 0.081178 0.039986 0.047746 0.047749 0.009340 0.008390 0.008071 0.007786 8.691573 4.765852 5.915811 6.132987 WH2 235 VD-1838 0.069730 0.032703 0.038966 0.038725 0.009406 0.008486 0.008211 0.007844 7.412979 3.853721 4.745874 4.936714 WH2 235 WK01 0.073673 0.032972 0.040914 0.040241 0.009194 0.008156 0.007801 0.007503 8.012934 4.042751 5.244732 5.363341 NB 191Y GS136 0.088734 0.039361 0.043491 0.047677 0.010117 0.009221 0.009152 0.009073 8.770480 4.268656 4.751898 5.254864 NB 191Y HV74 0.092438 0.045474 0.054032 0.059700 0.009864 0.008474 0.008238 0.008054 9.371575 5.366351 6.559094 7.412622 NB 191Y VD-1838 0.086383 0.041175 0.046527 0.049499 0.010047 0.008470 0.008606 0.008211 8.598059 4.861264 5.406305 6.028347 NB 191Y WK01 0.087472 0.040426 0.051374 0.055084 0.009771 0.008294 0.008435 0.008073 8.952452 4.874164 6.090388 6.823626 SB 191Y GS136 0.088980 0.040795 0.052613 0.054809 0.010290 0.009322 0.009240 0.009212 8.647220 4.376057 5.693889 5.949671 SB 191Y HV74 0.094829 0.047020 0.064284 0.068209 0.010209 0.008834 0.008445 0.008156 9.288347 5.322736 7.611811 8.363568 SB 191Y VD-1838 0.088420 0.042986 0.056893 0.059112 0.010289 0.008642 0.008682 0.008193 8.593293 4.974042 6.552976 7.214625 SB 191Y WK01 0.091120 0.043250 0.060605 0.063187 0.010049 0.008554 0.008563 0.008138 9.067143 5.056207 7.077979 7.764697 WH2 191Y GS136 0.084732 0.036329 0.042529 0.047375 0.010620 0.009443 0.009591 0.009348 7.978538 3.847124 4.434371 5.068028 WH2 191Y HV74 0.092561 0.044359 0.056937 0.063144 0.010156 0.008817 0.008610 0.008277 9.113884 5.031083 6.613079 7.629173 WH2 191Y VD-1838 0.082784 0.039568 0.049957 0.053305 0.010090 0.008635 0.008793 0.008264 8.204551 4.582407 5.681646 6.450366 WH2 191Y WK01 0.087495 0.041243 0.055061 0.059804 0.009799 0.008413 0.008601 0.008094 8.928554 4.902391 6.401582 7.388685 NB Adm1 GS136 0.066457 0.037820 0.053780 0.053086 0.010344 0.008926 0.008846 0.008768 6.424960 4.237220 6.079386 6.054216 NB Adm1 HV74 0.064562 0.033163 0.043859 0.042316 0.009940 0.008291 0.008005 0.007824 6.494894 4.000030 5.478646 5.408763 NB Adm1 VD-1838 0.063597 0.035038 0.044281 0.040356 0.010137 0.008347 0.008244 0.007970 6.273540 4.197575 5.371281 5.063448 NB Adm1 WK01 0.061469 0.032505 0.044078 0.040795 0.009871 0.008187 0.007944 0.007813 6.227501 3.970159 5.548363 5.221356 SB Adm1 GS136 0.065200 0.035470 0.060448 0.057039 0.010506 0.009313 0.008975 0.008740 6.206075 3.808804 6.735392 6.525985 SB Adm1 HV74 0.066471 0.034932 0.053245 0.049689 0.010219 0.008698 0.008325 0.007976 6.504648 4.015877 6.395997 6.229909 SB Adm1 VD-1838 0.064384 0.037068 0.053479 0.048962 0.010545 0.008734 0.008584 0.008309 6.105790 4.244042 6.230273 5.892703 SB Adm1 WK01 0.060979 0.032875 0.050805 0.045831 0.010158 0.008474 0.008147 0.007917 6.003126 3.879433 6.235796 5.788871 WH2 Adm1 GS136 0.059406 0.030870 0.049100 0.048573 0.010422 0.009215 0.009098 0.008816 5.700172 3.350194 5.396619 5.509719 WH2 Adm1 HV74 0.063940 0.034384 0.045871 0.045047 0.010123 0.008778 0.008352 0.008088 6.316621 3.916887 5.492114 5.569829 WH2 Adm1 VD-1838 0.059107 0.033403 0.045383 0.042385 0.010163 0.008727 0.008622 0.008239 5.816142 3.827638 5.263430 5.144182 WH2 Adm1 WK01 0.059327 0.031444 0.044587 0.041886 0.009830 0.008349 0.008191 0.007901 6.035263 3.766373 5.443297 5.301397 NB Ge GS136 0.098355 0.061163 0.060619 0.055240 0.009750 0.008698 0.008608 0.008311 10.087633 7.031437 7.042428 6.646820 NB Ge HV74 0.105036 0.066017 0.066462 0.065591 0.009401 0.008147 0.007776 0.007605 11.173280 8.102827 8.546667 8.624700 NB Ge VD-1838 0.098546 0.059234 0.060309 0.057680 0.009502 0.008265 0.008096 0.007718 10.371344 7.166920 7.449545 7.473675 NB Ge WK01 0.097711 0.058411 0.062432 0.059964 0.009192 0.007978 0.007876 0.007546 10.630164 7.321368 7.926955 7.946771 SB Ge GS136 0.099590 0.061673 0.070290 0.064345 0.009969 0.008787 0.008713 0.008459 9.990134 7.018945 8.067355 7.606425 SB Ge HV74 0.107410 0.066188 0.076159 0.074008 0.009563 0.008207 0.007900 0.007684 11.231424 8.064942 9.640643 9.630855 SB Ge VD-1838 0.100721 0.061722 0.069779 0.068069 0.009660 0.008468 0.008251 0.007872 10.426082 7.289146 8.456738 8.647403 SB Ge WK01 0.101391 0.061330 0.072687 0.069455 0.009421 0.008125 0.007932 0.007627 10.762678 7.548205 9.163576 9.106831 WH2 Ge GS136 0.095063 0.057037 0.062222 0.056929 0.010148 0.008892 0.008924 0.008570 9.367615 6.414111 6.972765 6.643023 WH2 Ge HV74 0.107578 0.066193 0.072482 0.071765 0.009542 0.008492 0.008089 0.007842 11.274096 7.794928 8.960906 9.151309 WH2 Ge VD-1838 0.095640 0.057827 0.063897 0.061986 0.009524 0.008472 0.008299 0.007846 10.041667 6.825508 7.699032 7.900652 WH2 Ge WK01 0.097899 0.057409 0.065652 0.063784 0.009202 0.008208 0.008059 0.007715 10.639165 6.994157 8.146881 8.267423 NB Den GS136 0.067592 0.036098 0.041672 0.041709 0.010087 0.008764 0.008825 0.008619 6.700788 4.118778 4.722031 4.839167 NB Den HV74 0.068550 0.038139 0.039050 0.036493 0.009529 0.008444 0.008054 0.007925 7.194131 4.516587 4.848665 4.604693 NB Den VD-1838 0.061927 0.034252 0.033057 0.029691 0.009719 0.008444 0.008268 0.007987 6.371892 4.056212 3.998160 3.717446 NB Den WK01 0.060292 0.030934 0.034014 0.031414 0.009558 0.008215 0.008009 0.007804 6.307906 3.765809 4.246759 4.025317 SB Den GS136 0.067871 0.035893 0.051939 0.049423 0.010292 0.009069 0.009006 0.008690 6.594283 3.957689 5.766980 5.687060 SB Den HV74 0.068930 0.037384 0.047018 0.043346 0.009574 0.008734 0.008176 0.007928 7.199657 4.280361 5.750653 5.467775 SB Den VD-1838 0.064517 0.036004 0.042708 0.039135 0.009978 0.008776 0.008426 0.008117 6.465972 4.102338 5.068831 4.821128 SB Den WK01 0.061464 0.031783 0.040758 0.038035 0.009594 0.008530 0.008045 0.007756 6.406228 3.725955 5.066292 4.904271 WH2 Den GS136 0.064240 0.030988 0.038449 0.039361 0.010419 0.009084 0.009306 0.008956 6.165763 3.411156 4.131575 4.394871 WH2 Den HV74 0.069053 0.036368 0.041590 0.041233 0.009698 0.008851 0.008387 0.008133 7.120015 4.108868 4.959084 5.070060 WH2 Den VD-1838 0.060222 0.032029 0.036381 0.034643 0.009789 0.008800 0.008583 0.008216 6.151775 3.639547 4.238620 4.216597 WH2 Den WK01 0.059150 0.029050 0.034216 0.033960 0.009405 0.008388 0.008254 0.007893 6.289311 3.463166 4.145265 4.302343 NB LS039 GS136 0.085931 0.046342 0.053552 0.055186 0.010276 0.009118 0.009056 0.008893 8.362065 5.082281 5.913132 6.205777 NB LS039 HV74 0.092653 0.048985 0.061537 0.061937 0.009750 0.008734 0.008550 0.008403 9.503183 5.608765 7.197200 7.371092 NB LS039 VD-1838 0.087699 0.047933 0.059019 0.056901 0.009946 0.008728 0.008579 0.008265 8.817764 5.491757 6.879251 6.884757 NB LS039 WK01 0.089319 0.046968 0.059798 0.059038 0.009790 0.008456 0.008366 0.008101 9.123472 5.554166 7.147702 7.287515 SB LS039 GS136 0.087926 0.048026 0.063185 0.065325 0.010549 0.009308 0.009079 0.009001 8.335377 5.159876 6.959295 7.257712 SB LS039 HV74 0.093070 0.048383 0.069209 0.069275 0.009951 0.008883 0.008550 0.008402 9.352644 5.446379 8.094635 8.245122 SB LS039 VD-1838 0.089820 0.048616 0.067023 0.064694 0.010191 0.008817 0.008617 0.008395 8.813963 5.513676 7.777993 7.706641 SB LS039 WK01 0.091940 0.047727 0.066435 0.066423 0.010033 0.008536 0.008395 0.008248 9.163614 5.591256 7.913450 8.053431 WH2 LS039 GS136 0.083787 0.043387 0.051798 0.056393 0.010490 0.009257 0.009411 0.009143 7.987593 4.686822 5.503966 6.167850 WH2 LS039 HV74 0.093135 0.047830 0.063968 0.066765 0.009861 0.008927 0.008762 0.008493 9.444406 5.357921 7.300356 7.860847 WH2 LS039 VD-1838 0.086464 0.046307 0.061601 0.060952 0.010011 0.008891 0.008852 0.008537 8.637263 5.208414 6.958756 7.139473 WH2 LS039 WK01 0.089596 0.044066 0.061409 0.062656 0.009714 0.008510 0.008577 0.008261 9.222887 5.178024 7.159598 7.584343 SB NB GS136 0.017732 0.028670 0.018396 -0.013822 0.035546 0.036138 0.035884 0.032170 0.498839 0.793355 0.512651 -0.429661 SB NB HV74 0.034219 0.033542 0.025133 0.001213 0.032835 0.031004 0.030893 0.026756 1.042144 1.081842 0.813569 0.045339 SB NB VD-1838 0.029034 0.020447 0.008822 -0.007414 0.033245 0.030464 0.030734 0.028363 0.873319 0.671179 0.287046 -0.261390 SB NB WK01 0.018303 0.018759 0.011206 -0.004669 0.032733 0.030216 0.029121 0.027446 0.559162 0.620833 0.384794 -0.170102 WH2 NB GS136 -0.009530 0.011107 0.009312 -0.006743 0.033654 0.034211 0.035552 0.030240 -0.283182 0.324669 0.261933 -0.222981 WH2 NB HV74 0.005725 0.016548 0.030471 0.030071 0.030886 0.031223 0.028923 0.025422 0.185349 0.530010 1.053535 1.182858 WH2 NB VD-1838 -0.005261 0.011323 0.015449 0.029987 0.031888 0.030242 0.029970 0.027724 -0.164972 0.374400 0.515491 1.081624 WH2 NB WK01 0.009781 0.009762 0.013548 0.019224 0.028990 0.028797 0.027301 0.025419 0.337414 0.339006 0.496225 0.756279 NB SB GS136 -0.017732 -0.028670 -0.018396 0.013822 0.035546 0.036138 0.035884 0.032170 -0.498839 -0.793355 -0.512651 0.429661 NB SB HV74 -0.034219 -0.033542 -0.025133 -0.001213 0.032835 0.031004 0.030893 0.026756 -1.042144 -1.081842 -0.813569 -0.045339 NB SB VD-1838 -0.029034 -0.020447 -0.008822 0.007414 0.033245 0.030464 0.030734 0.028363 -0.873319 -0.671179 -0.287046 0.261390 NB SB WK01 -0.018303 -0.018759 -0.011206 0.004669 0.032733 0.030216 0.029121 0.027446 -0.559162 -0.620833 -0.384794 0.170102 WH2 SB GS136 -0.018453 -0.035950 0.006235 0.017477 0.037688 0.035398 0.036153 0.031037 -0.489624 -1.015598 0.172472 0.563096 WH2 SB HV74 -0.038583 -0.038511 -0.004025 0.018511 0.036382 0.030530 0.030047 0.027797 -1.060491 -1.261389 -0.133946 0.665929 WH2 SB VD-1838 -0.051073 -0.031283 0.000828 0.019788 0.037522 0.031512 0.031159 0.028845 -1.361141 -0.992712 0.026560 0.686022 WH2 SB WK01 -0.015565 -0.025850 -0.003080 0.026489 0.035089 0.029551 0.028300 0.026722 -0.443587 -0.874779 -0.108830 0.991267 NB Swe GS136 0.086463 0.046836 0.057021 0.055066 0.010198 0.009037 0.009268 0.008946 8.478669 5.182743 6.152450 6.155426 NB Swe HV74 0.093088 0.051214 0.063639 0.062952 0.009657 0.008357 0.008365 0.008065 9.639865 6.127943 7.607967 7.805297 NB Swe VD-1838 0.084885 0.045454 0.057631 0.057515 0.009920 0.008760 0.008661 0.008254 8.557281 5.188560 6.654343 6.968381 NB Swe WK01 0.086215 0.045910 0.060921 0.059443 0.009792 0.008504 0.008373 0.008006 8.804921 5.398624 7.275537 7.425293 SB Swe GS136 0.088129 0.049510 0.064879 0.061159 0.010306 0.009408 0.009251 0.009016 8.550868 5.262610 7.012986 6.783278 SB Swe HV74 0.093424 0.049351 0.069941 0.067822 0.009746 0.008503 0.008452 0.008021 9.585754 5.803803 8.274696 8.455151 SB Swe VD-1838 0.087001 0.045552 0.063851 0.065060 0.009924 0.009007 0.008781 0.008337 8.766854 5.057159 7.271571 7.803927 SB Swe WK01 0.088725 0.046271 0.066629 0.065183 0.009730 0.008626 0.008514 0.008196 9.118635 5.363866 7.826078 7.953060 WH2 Swe GS136 0.080509 0.044752 0.056585 0.055664 0.010351 0.009293 0.009445 0.009034 7.777599 4.815660 5.990941 6.161455 WH2 Swe HV74 0.091211 0.050593 0.066338 0.067846 0.009719 0.008555 0.008563 0.008065 9.384625 5.913880 7.747205 8.412068 WH2 Swe VD-1838 0.081367 0.044636 0.058748 0.061920 0.009896 0.009010 0.008857 0.008378 8.222564 4.953840 6.632761 7.391121 WH2 Swe WK01 0.084309 0.046060 0.063069 0.063453 0.009592 0.008588 0.008480 0.008052 8.789498 5.363498 7.437476 7.880790 NB Uap GS136 0.119758 0.064678 -0.046880 -0.124372 0.010874 0.009517 0.009726 0.009233 11.013343 6.796083 -4.820198 -13.469740 NB Uap HV74 0.126114 0.073569 -0.026906 -0.094680 0.009521 0.008473 0.008226 0.007778 13.245301 8.682512 -3.270856 -12.172289 NB Uap VD-1838 0.126515 0.079798 -0.016418 -0.084392 0.009733 0.008651 0.008608 0.007995 12.998838 9.223910 -1.907266 -10.555070 NB Uap WK01 0.124246 0.070842 -0.023773 -0.094237 0.009324 0.008428 0.008232 0.007628 13.324983 8.405142 -2.888033 -12.353368 SB Uap GS136 0.119215 0.065484 -0.039507 -0.115705 0.010879 0.009766 0.009788 0.009116 10.958293 6.705364 -4.036467 -12.692895 SB Uap HV74 0.123960 0.073048 -0.022397 -0.087837 0.009758 0.008568 0.008374 0.008006 12.704024 8.525553 -2.674672 -10.971571 SB Uap VD-1838 0.128105 0.080572 -0.009413 -0.074481 0.009971 0.008826 0.008925 0.008404 12.847560 9.129439 -1.054635 -8.862443 SB Uap WK01 0.125368 0.071199 -0.019524 -0.087292 0.009565 0.008480 0.008458 0.007757 13.106576 8.395874 -2.308375 -11.253850 WH2 Uap GS136 0.113485 0.057704 -0.052416 -0.131260 0.011155 0.009933 0.009931 0.009220 10.173951 5.809149 -5.278210 -14.235867 WH2 Uap HV74 0.123325 0.074790 -0.025377 -0.091759 0.009659 0.008696 0.008518 0.007906 12.767812 8.600927 -2.979136 -11.606074 WH2 Uap VD-1838 0.122248 0.078085 -0.016285 -0.082160 0.009885 0.008987 0.008969 0.008270 12.366771 8.688546 -1.815774 -9.934881 WH2 Uap WK01 0.120394 0.070701 -0.024271 -0.092778 0.009413 0.008560 0.008440 0.007659 12.789468 8.259670 -2.875834 -12.114103 NB WH2 GS136 0.009530 -0.011107 -0.009312 0.006743 0.033654 0.034211 0.035552 0.030240 0.283182 -0.324669 -0.261933 0.222981 NB WH2 HV74 -0.005725 -0.016548 -0.030471 -0.030071 0.030886 0.031223 0.028923 0.025422 -0.185349 -0.530010 -1.053535 -1.182858 NB WH2 VD-1838 0.005261 -0.011323 -0.015449 -0.029987 0.031888 0.030242 0.029970 0.027724 0.164972 -0.374400 -0.515491 -1.081624 NB WH2 WK01 -0.009781 -0.009762 -0.013548 -0.019224 0.028990 0.028797 0.027301 0.025419 -0.337414 -0.339006 -0.496225 -0.756279 SB WH2 GS136 0.018453 0.035950 -0.006235 -0.017477 0.037688 0.035398 0.036153 0.031037 0.489624 1.015598 -0.172472 -0.563096 SB WH2 HV74 0.038583 0.038511 0.004025 -0.018511 0.036382 0.030530 0.030047 0.027797 1.060491 1.261389 0.133946 -0.665929 SB WH2 VD-1838 0.051073 0.031283 -0.000828 -0.019788 0.037522 0.031512 0.031159 0.028845 1.361141 0.992712 -0.026560 -0.686022 SB WH2 WK01 0.015565 0.025850 0.003080 -0.026489 0.035089 0.029551 0.028300 0.026722 0.443587 0.874779 0.108830 -0.991267