Seriema photos supplementary videos and images for Oswald et al. 2022
Videos of Ellie are at top of page, Videos of Ernie are at bottom of page
A blog about our research is here:
Video 1. Red-legged seriema using Digit II to grasp.
Video 2. Red-legged seriema demonstrating prey dispatchment.
![Adult Seriema taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/BDC72105_2_480x480.jpg?v=1650820845)
Ellie Adult female hand-reared Red-legged Seriema Cariama cristata (Linnaeus, 1766) at the Wildlife World Zoo
![Adult Seriema taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_BDC72587_480x480.jpg?v=1650821036)
Figure 1. Ellie with rubber snake and key
![Adult Seriema taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_BDC72589_480x480.jpg?v=1650821036)
Figure 2. Ellie standing straight
![Adult Seriema foot closeup taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_claw_close_up_BDC73704_480x480.jpg?v=1650821056)
Figure 3. Red-legged seriema Digit II - sharp tip does not touch the ground
![Adult Seriema foot closeup taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_claw_close_up_BDC73993_480x480.jpg?v=1650821056)
Figure 4. Red-legged seriema foot - Recurved and sharp Digit II
![Adult Seriema foot closeup taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_claw_close_up_BDC72615_480x480.jpg?v=1650821056)
Figure 5. Red-legged seriema foot - Digits III and IV straighter, dulled tips
![Adult Seriema foot closeup taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_claw_close_up_BDC72608_480x480.jpg?v=1650821056)
Figure 6. Red-legged seriema foot - Digits III and IV straighter, dulled tips
![Adult Seriema foot closeup taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_claw_close_up_BDC72622_480x480.jpg?v=1650821056)
Figure 7. Red-legged seriema feet - Fleshy padding under Digit II
![Adult Seriema foot closeup taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_claw_close_up_BDC73727_480x480.jpg?v=1650821059)
Figure 8. Red-legged seriema - Digit I as sizeable claw
![Adult Seriema with snake taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_fake_snake_IMG_2472_480x480.jpg?v=1650821140)
Figure 9. Ellie preparing to bash plastic snake
![Baby Seriema taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_RPR_IMG_4568_1_480x480.jpg?v=1650821168)
Figure 10. Ellie grabbing keyring, pinning with Digit II
![Adult Seriema manipulating keychain with digit 2 RPR the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_RPR_BDC72351_480x480.jpg?v=1650821168)
Figure 11. Foot initially stomps on ring, Digit II begins to hook
![Adult Seriema manipulating keychain with digit 2 RPR the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_RPR_BDC72414_480x480.jpg?v=1650821169)
Figure 12. Digit II hook slides down ring, beak bite commences
![Adult Seriema manipulating keychain with digit 2 RPR the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_RPR_BDC72362_480x480.jpg?v=1650821169)
Figure 13. Foot holding object while beak explores
![Adult Seriema manipulating keychain with digit 2 RPR the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_RPR_BDC72527_2_480x480.jpg?v=1650821171)
Figure 14. Digit II holds keyring while beak pulls backward
![Adult Seriema manipulating keychain with digit 2 RPR the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Adult_Seriema_RPR_IMG_2588_1_480x480.jpg?v=1650821213)
Figure 15. Digit II and beak work on keyring in concert
![Baby Seriema photo taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Baby_Seriema_BDC72827_480x480.jpg?v=1650821240)
Figure 16. Hatchling red-legged seriema
![Baby Seriema photo taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Baby_Seriema_BDC73116_480x480.jpg?v=1650821240)
Figure 17. Hatchling red-legged seriema Digit II already sharp
![Baby Seriema photo taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Baby_Seriema_BDC72635_480x480.jpg?v=1650821240)
Figure 18. Hatchling red-legged seriema Digit II sharp, elevated
![Baby Seriema photo taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Baby_Seriema_IMG_6830_480x480.jpg?v=1650821292)
Figure 19. Hatchling red-legged seriema Digit III and IV bear most weight
![Baby Seriema photo taken at the Wildlife World Zoo by Dr. Brian Curtice of Fossil Crates](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Baby_Seriema_IMG_6923_480x480.jpg?v=1650821292)
Figure 202. Hatchling red-legged seriema Digit II large, sharp
![Seriema](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/Ernie_seriema_4mb_480x480.jpg?v=1655873310)
Figure 21. Ernie, male red-legged seriema parent-reared at Tracy Aviary
![Seriema killing claw](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A0020_480x480.jpg?v=1655873369)
Figure 22. Ernie - Asymmetry of Digit II curvature
![Seriema killing claw](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9657_480x480.jpg?v=1655873395)
Figure 23. Ernie - Digit II strongly recurved vs Digit III
![Seriema killing claw](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9656_480x480.jpg?v=1655873415)
Figure 24. Ernie - Digit II held aloft by fleshy pad
![Seriema killing claw](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9662_4mb_480x480.jpg?v=1655873489)
Figure 25. Ernie - Left Digit II more recurved than right
![Seriema killing claw](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9661_4mb_480x480.jpg?v=1655873545)
Figure 26. Ernie - Red-legged seriema in stride
![Seriema throwing snake](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9794_4mb_480x480.jpg?v=1655873663)
Figure 27. Ernie - With plastic snake for first time
![Seriema throwing snake](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9778_4mb_480x480.jpg?v=1655873688)
Figure 28. Ernie exploring plastic snake for first time
![Seriema throwing snake](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9733_4mb_480x480.jpg?v=1655873703)
Figure 29. Ernie throws plastic snake to substrate
![seriema eating anole lizard](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9921_4mb_480x480.jpg?v=1655873759)
Figure 30. Ernie with anole
![seriema eating anole lizard](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9973_4mb_480x480.jpg?v=1655873781)
Figure 31. Ernie positions anole by head then swallows whole
![seriema eating mouse with killing claw](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9828-Edit_4mb_480x480.jpg?v=1655873847)
Figure 32. Ernie with mouse, Digit II pins mouse while beak pulls
![seriema eating mouse with killing claw](https://cdn.shopify.com/s/files/1/0274/6014/1133/files/8D3A9825_4mb_480x480.jpg?v=1655873870)
Figure 33. Ernie with mouse, Digit II clearly seen pinning mouse during feeding