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Home > All Images > 2020 > April > 16 Apr 2020

Images Dated 16th April 2020

Choose from 161 pictures in our Images Dated 16th April 2020 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


European robin, Erithacus rubecula, singing Featured 16 Apr 2020 Image

European robin, Erithacus rubecula, singing

European robin, Erithacus rubecula, singing. The robin is diurnal, although has been reported to be active hunting insects on moonlit nights or near artificial light at night. Well known to British and Irish gardeners, it is relatively unafraid of people and drawn to human activities involving the digging of soil, in order to look out for earthworms and other food freshly turned up. Indeed, the robin is considered to be a gardener's friend and for various folklore reasons the robin would never be harmed. In continental Europe on the other hand, robins were hunted and killed as with most other small birds, and are more wary. In autumn and winter, robins will supplement their usual diet of terrestrial invertebrates, such as spiders, worms and insects, with berries and fruit. They will also eat seed mixtures placed on bird-tables. Panoramic photo. Copy space. Portugal Date

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Portuguese man o war, Physalia physalis, at Featured 16 Apr 2020 Image

Portuguese man o war, Physalia physalis, at

Portuguese man o war, Physalia physalis, at sunset. The gas-filled bladder, or pneumatophore, remains at the surface, while the remainder is submerged. Portuguese man o war have no means of propulsion, and move passively driven by the winds, currents, and tides. Strong winds may drive them into bays or onto beaches. Often, finding a single Portuguese man o war is followed by finding many others in the vicinity. Because they can sting while beached, the discovery of a man o war washed up on a beach may lead to the closure of the beach. Stings from a Portuguese man o war are often extremely painful. They result in severe dermatitis characterized by long, thin, open wounds that resemble those caused by a whip. These are not caused by any impact or cutting action, but by irritating urticariogenic substances in the tentacles. Using its venomous tentacles, a man o war traps and paralyzes its prey while reeling it inwards to the digestive polyps. It typically feeds on small marine organisms, such as fish and plankton. Azores, Portugal Date

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Shortfin mako shark, Isurus oxirinchus, biting Featured 16 Apr 2020 Image

Shortfin mako shark, Isurus oxirinchus, biting

Shortfin mako shark, Isurus oxirinchus, biting the bait. Is on record as the fastest-swimming shark, capable of bursts of speed up to 18.8 metres per second (68 km/h) allowing it to jump to heights of approximately 9 m. These characteristics have made the shortfin mako a highly sought-after game fish worldwide. Some cases of shortfin mako jumping into a boat after having been hooked have been reported. Of all studied sharks, the shortfin mako has one of the largest brain:body ratios. From tests involving shape differentiation to electroreception tests and individual recognition, mako are fast-learning sharks. They do not rely on electroreception when hunting, instead, they rely on smell, hearing, and most prominently, vision. Mako is regularly blamed for attacks on humans and, due to its speed, power, and size, it is certainly capable of injuring and killing people. However, this species will not generally attack humans and does not seem to treat them as prey. Most modern attacks involving shortfin mako sharks are considered to have been provoked due to harassment or the shark being caught on a fishing line. Azores, Portugal Date

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