The second hypothesis suggests that microfilaria may try to escape drug treatment by migrating to brain capillaries and further into brain tissue ; this is supported by pathology reports demonstrating a microfilarial presence in brain tissue post-Ivermectin treatment.

Early written documents record the local presence of migrating salmon in the ‘' Rio Guadalupe '’ dating as far back as the 18th century.

Thomson postulated that the low mass, negatively charged electrons were distributed throughout the atom, possibly rotating in rings, with their charge balanced by the presence of a uniform sea of positive charge.

In the West the presence of fossilized sea creatures high up on mountainsides was seen as proof of the biblical deluge.

The Portuguese presence in East Africa served the purpose of controlling trade within the Indian Ocean and securing the sea routes linking Europe to Asia.

Brasidas, aware of Thucydides ' presence on Thasos and his influence with the people of Amphipolis, and afraid of help arriving by sea, acted quickly to offer moderate terms to the Amphipolitans for their surrender, which they accepted.

He also made it a point to be aboard during the initial sea trial of almost every nuclear submarine completing its new-construction period, and by his presence both set his stamp of personal integrity that the ship was ready for the rigors of the open seas, and ensured adequate testing to either prove as much or to establish issues requiring resolution.

Defensive strategies employed include the presence of spines, toxins, which can be inherent or delivered through the tube feet, and the discharge of sticky entangling threads by sea cucumbers.

The great white is an epipelagic fish, observed mostly in the presence of rich game, such as fur seals, sea lions, cetaceans, other sharks, and large bony fish species.

The economy of Gallura is based mostly on tourism and hospitality due to the presence of Costa Smeralda and other world-famous sea sites.

In addition to the aforementioned hypothesis, there is the theory that Marsala comes from mare salis, or rather " Salt ponds by the sea " for the presence of salt pond along the whole northern coast.

He confirmed earlier readings and proved the presence of a huge area below sea level with places as deep as-133 m.

Traditionally, otariids had been subdivided into the fur seal ( Arctocephalinae ) and sea lion ( Otariinae ) subfamilies, with the major distinction between them being the presence of a thick underfur layer in the former.

A " Stingray City " in the sea surrounding the Caribbean island of Antigua consists of a large, shallow reserve where the rays live, and snorkeling is possible, since the rays are used to the presence of humans.

The marine gas turbine operates in a more corrosive atmosphere due to presence of sea salt in air and fuel and use of cheaper fuels.

In common usage, elevations are often cited in height above sea level, although what “ sea level ” actually means is a more complex issue than might at first be thought: the height of the sea surface at any one place and time is a result of numerous effects, including waves, wind and currents, atmospheric pressure, tides, topography, and even differences in the strength of gravity due to the presence of mountains etc.

Because of its island condition all the sea sports have also a big presence in Palma.

In either case, the colonial presence is clear in Popol Vuh's preamble: " This we shall write now under the Law of God and Christianity ; we shall bring it to light because now the Popol Vuh, as it is called, cannot be seen any more, in which was clearly seen the coming from the other side of the sea and the narration of our obscurity, and our life was clearly seen.

The Lighthouse Park area and pilings near the ferry dock and hotel are popular places for local divers, due to the diversity of sea life and presence of squid.

The strategic position of Haverfordwest with its defensive bluff overlooking the lowest fordable point on the Western Cleddau and accessible to sea traffic would have required a Roman presence, probably modest in scale, from the first century AD to protect supplies to and from the coast.

Thus a very high gas pressure of oxygen can be obtained, which can even account for the presence of gas in the swim bladders of deep sea fish like the eel, requiring a pressure of hundreds of bars.

In 1779 he organised the Newtownards Company of 115 men worried at the presence of American and French vessels in the Irish sea.

During the English Civil War, the Dutch had taken advantage of the internal strife within their neighbours, and greatly expanded their maritime presence throughout the world's merchant harbors and routes, ultimately even challenging British dominance in its colonies, and the Dutch even boasted of driving all nations out of the sea.

Anston, and neighbouring Dinnington make up a strip of urban development stranded amidst a sea of agricultural land, and its presence and growth owe much to quarrying.

Corineus supposedly slew the giant by throwing him into the sea near Plymouth ; Richard Carew notes the presence of chalk figures carved on Plymouth Hoe in his time.

The coelurosaur dinosaurs found there represent types of the group Maniraptora, which is transitional between dinosaurs and birds, and are notable for the presence of hair-like feathers.

Later, European sailors used the auks as a navigational beacon, as the presence of these birds signaled that the Grand Banks of Newfoundland were near.

The latter feature is due to the presence of elongated loops of Henle ; these are much shorter in birds, and not truly present in other vertebrates ( although the nephron often has a short intermediate segment between the convoluted tubules ).

For example, heterodox Yahwism included the presence of cult objects rejected in by orthodox expressions, such as the Asherah, figurines of various sorts ( females, horses and riders, animals and birds, and the calves or bulls of the Northern Kingdom.

Both the US and Israeli strains are marked by high mortality rates in infected avian populations ; the presence of dead birds — especially Corvidae — can be an early indicator of the arrival of the virus.

When using the blood sera of wild birds and sentinel chickens, samples must be tested for the presence of WNV antibodies by use of immunohistochemistry ( IHC ) or Enzyme-Linked Immunosorbent Assay ( ELISA ).

This was made possible by the presence of flight feathers on both the forelimbs and hindlimbs of Microraptor, and it has been suggested the earliest flying ancestors of birds may have possessed this morphology, with the monoplane arrangement of modern birds evolving later.

Generally, the wildlife around Tidal River is accustomed to human presence, and many of the animals and birds near the campsites will approach humans, accept food from them, or even enter their tents uninvited.

This can include particular vegetation for foraging, or the presence of older trees with their larger hollows, a requirement for some arboreal mammals and birds.

Not knowing the fact that at the time of dispersal, the Indian Ocean was much narrower than it is today, and that South America was closer to the Antarctic, one would be hard pressed to explain the presence of many " ancient " lineages of perching birds in Africa, as well as the mainly South American distribution of the suboscines.

Although normally punctual, the failure of the birds to turn up was attributed to the presence of " sinners " among the onlookers.

The presence of the amnion identifies humans and other mammals as amniotes, along with reptiles, dinosaurs, birds but neither amphibians nor fish.

The birds were first found on 12 June, although the birds ' presence only became widely known at the start of August.

News was released to rare bird information services, and the national news media also reported on the birds ' presence.

They use alarm-calls to warn others ( including birds of other species such as the Great Tit, the European Robin or the Treecreeper ) about the presence of predators in the neighbourhood.

The inclusion of 1, 000 egrets ( among numerous other birds ) in the banquet to celebrate the enthronement of George Neville as Archbishop of York at Cawood Castle in 1465 indicates the presence of a sizable population in northern England at the time, and they are also listed in the coronation feast of King Henry VI in 1429.

Dromaeosaurs and other maniraptorans also showed increased mobility at the wrist not seen in other theropods, thanks to the presence of a specialized half-moon shaped wrist bone ( the semi-lunate carpal ) that allowed the whole hand to fold backward towards the forearm in the manner of modern birds.

On discovering the presence of men, the newly arrived birds fly into a fit of alarm and outrage, for mankind has long been their enemy.

Resident males tolerate the satellite birds because, although they are competitors for mating with the females, the presence of both types of male on a territory attracts additional females.

Where the presence of Burrowing Owls conflicts with development interests, a passive relocation technique has been applied successfully: rather than capturing the birds and transporting them to a new site ( which may be stressful and prone to failure ), the owls are half-coerced, half-enticed to move on their own accord.

The distinction is not easy to use in the field but has been tested with breeding birds in Japan where the female can be identified from the presence of a brood patch.

Due to their securing size, Red-crowned cranes often react indifferently to the presence of other birds such as small raptors, with harriers, falcons, owls and small buzzards hunting near a crane nest without any parties harassing each other.

Through the cover of dense, trailside chaparral you might glimpse the California Towhee or the colorful Rufous-sided Towhee, birds who often make their presence known by rustling up leaf litter on the ground.