Scientific Name: Anthracothorax prevostii
Population Estimate: 500K to 5M
Range / Habitat: Subtropical / tropical lowland degraded former forest.
Field Notes: Hummingbird easily distinguished by median streak down the breast. In male this is dark blue / black on green. In the female, green bordered by white. The juvenile similar to female with additional rufous stripe laterally. May be confused with Rufous-tailed Hummingbird from the back, but breast is determinate.
Personal Notes: Seen at Arenal Nayara Hotel, Costa Rica and later in Cancun, Mexico.