| Eocypselus rowei Temporal range:
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|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Clade: | Strisores |
| Order: | Apodiformes |
| Family: | †Eocypselidae |
| Genus: | †Eocypselus |
| Species: | †E. rowei
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| Binomial name | |
| †Eocypselus rowei Ksepka et al., 2013
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Eocypselus rowei is an extinct bird believed to be ancestral to modern hummingbirds and swifts. It was a small bird, less than 5 in (13 cm) in length, and probably had black feathers. The bird was first described in 2013 and lived approximately 50 million years ago, during the Eocene epoch.