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The snubfin dolphins (Orcaella) contain two of the 35 species of oceanic dolphins that make up the Cetacean family of Delphinidae. [5] The phylogenetic status of Orcaella has long been confused. Although the snubfin dolphins share similar external features with the Monodontidae (narwhal), [ 2 ] a genetic study conducted by Arnason and ...
Snub fin dolphins have also been observed interacting with Australian humpback dolphins, and one case of a hybrid between the two species was documented using DNA analysis in 2014. [15] Australian snubfin dolphins have been observed to spit jets of water across the surface of the water as a potential feeding strategy. [7]
Iniidae is a family of river dolphins containing one living genus, Inia, and four extinct genera.The extant genus inhabits the river basins of South America, but the family formerly had a wider presence across the Atlantic Ocean.
Researchers with NOAA and the University of Miami, among others, worked for eight years studying 147 skulls and 43 spines of stranded bottlenose dolphins. Some specimens were found in South ...
It can form close bonds with other species, as well as have sexual interactions with them. But the false killer whale has also been known to eat other dolphins, though it typically eats squid and fish. It is a deep-diver; maximum known depth is 927.5 m (3,043 ft); maximum speed is around 29 km/h (18 mph).
Scientists found microplastics in the exhaled breath of 11 dolphins, according to a new study. A wild bottlenose dolphin receives a health assessment in Louisiana's Barataria Bay, in 2018.
Scientists are perplexed by a strange new behaviour shown by the Amazon river dolphin of flipping belly-up to urinate with another male “actively” seeking the stream with its snout.. The ...
Opossums probably diverged from the basic South American marsupials in the late Cretaceous or early Paleocene. They are small to medium-sized marsupials, about the size of a large house cat, with a long snout and prehensile tail. Family: Didelphidae (American opossums) Subfamily: Didelphinae. Virginia opossum, D. virginiana [n 1] [n 2] LC