Table 1. EDS determined elemental composition of extant and fossil samples show in weight percent.
| Weight percent (Wt. %) | |||||||||||||||
| C | O | F | Na | Mg | Al | Si | P | S | Cl | K | Ca | Ti | Fe | Cu | |
| Marabou stork (Leptoptilus crumeniferus) | 41.01 | 29.59 | − | − | − | − | 00.45 | − | 12.08 | − | − | 14.25 | − | − | 02.62 |
| White-naped Crane (Grus vipio) | 58.83 | 27.17 | − | − | − | − | 00.56 | − | 13.76 | − | − | − | − | − | 01.68 |
| MGSF317 feather – dark part | 42.74 | 31.83 | 00.08 | 05.44 | 02.42 | 00.36 | 00.76 | 00.10 | 00.82 | 03.42 | 00.01 | 10.48 | 00.03 | 00.84 | 00.67 |
| MGSF318 feather – dark part | 18.99 | 42.94 | − | 03.82 | 00.80 | 05.47 | 10.93 | 03.01 | 00.70 | 00.05 | 00.65 | 10.08 | 00.16 | 02.20 | 00.21 |
| MGSF317 feather – light part | 24.93 | 33.22 | 02.07 | 02.05 | 02.25 | 06.67 | 14.68 | 00.16 | − | 00.84 | 01.21 | 04.56 | − | 06.89 | 00.47 |
| MGSF318 feather – light part | 05.35 | 46.51 | − | 02.18 | 00.93 | 04.10 | 08.04 | 07.72 | 00.24 | − | 00.60 | 22.18 | 00.12 | 01.79 | 00.23 |
| MGSF317 matrix | 01.88 | 44.37 | 01.78 | 02.40 | 00.78 | 09.03 | 20.02 | − | 05.72 | − | 01.26 | 07.91 | − | 04.79 | 00.07 |
| MGSF318 matrix | 04.91 | 46.02 | − | 02.50 | 01.40 | 06.31 | 13.34 | 04.96 | 00.91 | 00.02 | 01.26 | 12.78 | 00.43 | 05.02 | 00.13 |