The Bermuda night heron (Nyctanassa carcinocatactes) is an extinct heron species from Bermuda.
| Bermuda night heron | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Pelecaniformes |
| Family: | Ardeidae |
| Genus: | Nyctanassa |
| Species: | †N. carcinocatactes
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| Binomial name | |
| †Nyctanassa carcinocatactes | |
| Synonyms | |
|
Nycticorax carcinocatactes | |
Taxonomy edit
It is sometimes assigned to the genus Nycticorax. It was first described by Storrs L. Olson & David B. Wingate (2006)[2] from subfossil material found in the Pleistocene and Holocene deposits in caves and ponds of Bermuda.
Description edit
Its anatomy was rather similar to its living relative, the yellow-crowned night heron (Nyctanassa violacea), but it had a heavier bill, a more massive skull and more robust hind limbs. The specialization of the bill and the hind limbs showed that it was apparently adapted to the feeding on land crabs.[2]
Extinction edit
There are also early historian reports referring to the species. It possibly became extinct due to the settlement of the Bermuda islands in the 17th century. On Bermuda, the aforementioned yellow-crowned night heron was introduced in the 1970s to act as its proxy in the ecosystem, mostly to act as biological control for land crabs, which have dug holes that interfere with the island's golf courses. Due to being generalist feeders instead of specialised feeders like N. carcinocatactes, N. violacea has been recorded to have caused record declines in land crab populations, as well as feeding on the critically endangered Bermuda rock lizard.[2]
References edit
- ^ BirdLife International (2017). "Nyctanassa carcinocatactes". The IUCN Red List of Threatened Species. 2017. IUCN: e.T62286255A119207935. doi:10.2305/IUCN.UK.2017-3.RLTS.T62286255A119207935.en. Retrieved 13 January 2018.
- ^ a b c Olson, Storrs L.; Wingate, David B. (2006). "A new species of Night-heron (Ardeidae: Nyctanassa) from Quaternary deposits on Bermuda" (PDF). Proceedings of the Biological Society of Washington. 119 (2): 326–337. doi:10.2988/0006-324X(2006)119[326:ANSONA]2.0.CO;2. S2CID 85123890.
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