When one of these scout ants finds a potential nest, she assesses the quality of the crevice based on a variety of factors including the size of the interior, the number of openings ( based on light level ), and the presence or absence of dead ants.

They cannot be regarded as helpers at the nest, since it has been found their presence does not increase the reproductive success of the breeders.

At early stages of incubation the adults are easily flushed from the nest by the presence of humans near the nest, and may not return for several hours after being flushed.

When threatened ( presumably in the presence of a nest ), they may raise their wings wide and high in an impressive threat posture and emit a loud hoarse hissing noise.

Ferruginous Hawks nest in trees if they are available, including riparian strips, but the presence of water does not appear to be critical to them.

The presence of tiny troodontids in an oviraptorid nest is an enigma.

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.

However, nest sites are usually characterized by dense tall residual vegetation ( last year ’ s growth ) with the presence of woody vegetation either at the nest site or nearby ( Manske and Barker 1987 ; Prose et al.

The re-scheduled concert itself was free from violence, though marred by the presence of a police helicopter overhead and the flushing out of at least one sniper's nest.

In doing so, when a female eider left the nest after laying the first egg, the probability that the predator attacked her egg decreased on account of presence of others ’ eggs.

She tried to hide his presence from Professor X and her teammates, but he was revealed back on Earth when he again saved her life, this time from a nest of alien Sidrian hunter hatchlings.

The call does not vary in the presence of an adult at the nest, so it seems likely that the call is not directed at the adult bird.

This unique breeding strategy may explain the pronounced sexual dimorphism of the Eclectus, as it is the female which must remain conspicuous at the entry to the nest hole, ( in order to advertise her presence at her hollow to males and rival females ), but well hidden when in the depths of the nest, because the red color hides her well in the darkness.

The Head was designated an NNR because of the presence of a 60, 000 strong seabird colony which nest on the sheer cliffs, stacks and gullies.

The Lovely Angels start investigating Shasti's presence on the planet, and uncover a nest of apparently unconnected plots that all seem to have Shasti as the leader.

Abbotsbury swannery is today a tourist attraction and the swans have become accustomed to the presence of visitors and allow close but respectful approach even in the nesting season when cygnets are on the nest.

They have adapted well to the presence of man and will now frequently hibernate in insulated attics and even dark shelves in cupboards, particularly if there are soft materials on the shelf to make a nest.

The presence of the resulting antimatter is detectable by the two gamma rays produced every time positrons annihilate with nearby matter.

Although initially disappointed that the main French fleet was not at Alexandria, Nelson knew from the presence of the transports that they must be nearby.

In the club's early years its progress was hampered by the nearby presence of Woolwich Arsenal F. C.

* Asymmetric induction is the formation of one specific stereoisomer in the presence of a nearby chiral center

The court further held that during an investigatory stop a police officer ’ s search “ confined to what minimally necessary to determine whether suspect is armed, and the intrusion, which made for the sole purpose of protecting himself and others nearby, confined to ascertaining the presence of weapons “ ( U. S. Supreme Court ).

In addition, the fear of a general revolt of helots emboldened by the nearby Athenian presence drove the Spartans to action.

After the Roman conquest of the Nabataean Empire and the Roman naval presence at Aden to curb piracy, Arab merchants barred Indian merchants from trading in the free port cities of the Arabian Peninsula because of the nearby Roman presence.

Gwyn Jones notes that " no true town has been found and excavated " and that the identification of the site in Elbląg with Truso is based on " finds of Norse weapons " and the presence of " a large Viking Age cemetery " nearby, According to Mateusz Bogucki " by now, there is no doubt that the settlement really is Wulfstan's Truso " The Elbląg Museum brochure: Truso-A Discovered Legend, by Marek F Jagodziński, describes a large number of buildings found during the recent excavations, with burnt remains of posts suggesting buildings of c. 5 x 10 m and long houses of about 6 x 21 m.

) The presence of nearby particles will affect the radiation emitted by an individual particle.

Confederation Square, for example, was initially planned to be a civic plaza to balance the nearby federal presence of Parliament Hill.

For example, increasing the diameter of the conductor, or the presence of nearby metal objects, will decrease the velocity of the waves in the element, increasing the electrical length.

* It indicates how well a receiver performs in the presence of strong nearby signals.

In the 1990s, various observations from Earth were made of the limb of Triton using the occultation of nearby stars, which indicated the presence of an atmosphere and an exotic surface.

Its reputation has for several years suffered from the apparent presence of asbestos from nearby industrial plants.

Two inscriptions recording the presence of Lucullus have been found in nearby Chichester and the redating, by Miles Russell, of the palace to the early AD 90s, would fit far more securely with such an interpretation.

During 2001, water samples from the nearby springs yielded evidence of the presence of the hallucinogenic hydrocarbon.

The settlement was named for St. Francis of Assisi, the founder of the Franciscan Order, but was also commonly known as " Mission Dolores " owing to the presence of a nearby creek named Arroyo de Nuestra Señora de los Dolores, meaning " Our Lady of Sorrows Creek.

In terms of tourism, the presence of such historical monuments as Stirling Castle, the National Wallace Monument and other nearby attractions like Blair Drummond Safari Park, the key role which Stirling has played in Scottish history, as well as the scenery of the area, has bolstered Stirling's position as an important tourist destination in Scotland.

The feathery aspect of this is still reflected in the presence of the bedding company named Fogarty, located nearby in Fishtoft.

Likewise, the rumblings of Typhon emitted from deepest Tartarus could be clearly heard within the underground torrent near Seleuceia, now in Turkey, until his presence was neutralized by the building of a Byzantine church nearby.

However, the nearby place names of Ealing, Yeading and Harrow are of the early Saxon period, even though there are no surviving records of their presence in the Brent valley and its tributaries at this time.

The presence of the party in Welling sparked a rise in racially motivated crime in the area and several nearby communities.

There were also indigenous Oenotrian foundations on the coast, which exploited the nearby presence of the Greek such as Velia and Pyxous for their maritime trades.

This large military presence gives the town a more cosmopolitan populace than other nearby towns farther away from the base.