The great horned owl is a nocturnal bird, most active in the dusk of the evening and on moonlit nights.
Posts
Great Horned Owl
Of the North American species, great horned owls are one of the first to nest in the spring.
Great Horned Owl
Great horned owls are considered full migrants.
Great Horned Owl
Male great horned owls have a challenging, deep, rich tone of hoot contrasting the higher and huskier notes of the females.
Great Horned Owl
The silent flight of the great horned owl is powerful, swift, skillful, and graceful.
Great Horned Owl
Because the sense of smell is not highly developed in the great horned owl, they kill and eat many skunks.
Great Horned Owl
At times the male great horned owl appears to hoot for the mere pleasure of hearing his own voice.
Great Horned Owl
The function of the great horned owls feathered ear tufts is unknown.
August 2017: Great Horned Owl
Great Horned Owl
Female great horned owls are larger than males and weight about 50% more.
Great Horned Owl
Great horned owl calls are divided into three main categories: hoots, chitters, and squawks.
Vaquita
The vaquita can be saved from extinction.
Free-For-All: Vaquita
Sofera took on the challenge of painting with watercolors for the first time in a while and depicted a family pod of vaquita swimming through the gulf. Sofera used a watery medium to emphasize the aquatic habitat of the vaquita and utilized cool colors to unify the composition.
Vaquita
Vaquita conservation management and action has been largely ineffective at controlling vaquita mortality in gillnets.
Vaquita
At the current rate of decline, the vaquita could be extinct by 2018.
Vaquita
Vaquitas have probably always been rare.
Vaquita
Highly-trained US Navy bomb-locating bottlenose dolphins are being used to locate vaquitas.
Vaquita
The oldest vaquita was estimated to be 21 years of age.
Vaquita
As well as gillnet entanglement, the vaquita is vulnerable to several other potential threats.
Vaquita
Mortality in gillnets has long been recognized as the most serious and immediate threat to the vaquita's survival.
Vaquita
The vaquita and the totoaba, a large long-lived fish species in the croaker family, have much in common.
Vaquita
The demand for dried totoaba swim bladders is threatening not just the totoaba but also the vaquita.
Vaquita
There are less than 30 vaquita individuals left in the wild.
Vaquita
The vaquita's population is declining rapidly, with a decline of nearly 50% since 2015.
Vaquita
Most biological and ecological information of the vaquita is unkown.
Vaquita
The mating system and social structure of the vaquita have not been studied.
Vaquita
The vaquita is the only cetacean endemic to Mexico.
Vaquita
Vaquitas are generalist feeders, consuming a wide variety of over 21 benthic and demersal (bottom-dwelling) teleost fish, squids, and crustaceans.
Vaquita
Vaquita are typically inconspicuous at the surface as they avoid boats and rarely splash, jump, or leap.
Vaquita
Unlike most other porpoise species which breed every year, vaquitas give birth every 2 years.
Vaquita
Potential predators of vaquitas are large sharks, killer whales, and man.
Vaquita
There is reverse sexual dimorphism in the vaquita, as females are larger than males.
Vaquita
Vaquitas usually occur in small groups of 1-3 individuals; often just a mother and calf pair.