masked duck造句

• As of 2000, the conservation status for masked ducks in Texas is 3, 800 birds.
• Masked ducks breed in any freshwater body with marsh vegetation and surrounded by heavy tree cover.
• The cartoon raptor, a dinosaur, is crassly commercial, produced for kids in the same way the Anaheim Mighty Ducks'masked duck logo was.
• The masked duck of " Nomonyx " has a more intermediate position; it probably diverged from the lineage leading to the main radiation some time after " Heteronetta ".
• It is sometimes included with the latter in the genus " Oxyura ", but apparently the masked ducks now are the descendants of a missing link in the Oxyurinae evolution, having changed but little for millions of years.