Sentences with phrase «with aggressive males»

The authors suggested that females may hunt in the more developed areas as part of a strategy to visit areas where prey are abundant while avoiding encounters with aggressive males.

Not exact matches

Most studies of mouse social hierarchy have focused on more aggressive behaviors such as how male mice might pick on new cage members, says Helmut Kessels, a neurologist at the Netherlands Institute for Neuroscience who was not involved with the research.

The researchers started by applying NIRS to male or female mosquitoes that were known to be Wolbachia - free or had been infected with either a benign (called wMel) or a more aggressive (wMelPop) Wolbachia strain.

As little as 30 minutes of social interaction with a female, the team found, was enough to make naïve mice aggressive towards males 24 hours later, as well as to cause the separation of male - versus female - specific representations in the mouse's brain.

Bisexual males reported struggling with a whole range of syndromes, while female bisexual youths were only found to be especially aggressive.

But when the stream is murky, these dandies can't be seen, and aggressive, testosterone - laden males may be the better choice, because they are known to be better at finding females and forcibly mating with them.

«Stridulation, or chirping, sounds produced by the beetles have been reported with respect to mating and aggressive male behavior, and while previous studies proposed the mechanism and reported on some preliminary acoustic recording of the chirps, the chirp characteristics have not been examined extensively,» explained John Allen, a scientist at the University of Hawaii.

However, the aggressive males also prevent females from feeding and can injure them, which results in a group with lots of aggressive males producing fewer offspring than groups with fewer aggressive males.

If males persist with sexually aggressive behavior, pregnant females have a final ace up their sleeves — they flip over onto their backs and display their orange patterning.

Urban males are more likely to have had an aggressive encounter with males in their territory, which could then alter the way they behave towards our mimic of an intruder the following day.

Also, males that were more aggressive than their female partners, when paired, were more likely to mate and produce cubs than more - aggressive females paired with less - aggressive males.

Zoo veterinarians have been attempting, with varying degrees of success, to castrate the 2 - ton animals for more than 90 years, in hopes of controlling the size of captive populations and reducing the number of fights between the males of this aggressive species.

Juvenile males with intermediate coloration apparently weren't aggressive or strong enough to win; but the studly guys tolerated the dullest males, letting them settle next door and sometimes even hanging out with them.

«We already know from past researchers about the disconcerting tendency to harbor more negative attitudes about people with darker complexions (e.g., the darker a Black male is, the more aggressive he is perceived to be).

Most female octopuses are quite aggressive towards males, and most observed mating has involved males performing the task of inserting sperm into the female as quickly (and with as little contact) as possible.

Shuddering behaviour may also mediate female aggressive behaviour, with males that generate long shudders less likely to be cannibalised after copulation.

As the stereotype of masculinity in today's society dictates that men be aggressive, self - reliant, and conservative emotionally, males are discouraged from opening up to one another from a young age, and naturally this has a dire effect on how men deal with breakups.

Women, on the other hand, must deal with overly aggressive, creepy and sex hungry males, which may prompt them to give up on the idea of online dating.

The Dating Game it was not: shallow, aggressive and full of male braggadocio, Singled Out was more in line with «reality» than romance.

Olivia Wilde, as Dave's object of desire, is more than just eye candy (though she looks really, really good)-- her character balances a strict male dominated professional life with her sexually aggressive independence.

Well - socialized rottweilers get along nicely with people and other dogs, but males in particular can be a bit aggressive and dominant.

They also interact well with other dogs, exception being male dogs, towards which they can be aggressive if they are not firmly guided by their masters.

The males are by nature more aggressive with other males.

We don't know how he is with cats, but he has been good around other female dogs, a little aggressive around males.

They are instinctively less aggressive than males and more gentle with children.

Male dogs can also be more aggressive with dogs of the same sex.

Although aggressive tendencies in male dogs will be reduced through neutering, the fear that you will be getting back a dog with a significantly different personality after surgery is just not true.

At the same time, male dogs begin holding other dogs responsible as adults during adolescence, which can lead to more aggressive behavior or fighting with other dogs.

A male cat has the tendency to wander from home, spray urine and become aggressive with other cats (and even humans) when he's on the prowl.

Again, intact males do not make good guard animals because they may become protective of does during the breeding season and they may become very aggressive with people.

They get along well with other pets, but some may be aggressive with strange dogs; males often dislike other males.

This breed is generally good with other animals, though some males may be aggressive with other males.

If a male dog is very aggressive with other dogs or bites a human then his owner can write a detailed letter to the vet requesting he be neutered.

Females do not always get along with other females and males can sometimes become aggressive with other males.

In another report dealing with aggressive behavior in dogs, prepubertally castrated male dogs were just as aggressive as noncastrated dogs 2.

They can be very aggressive with other dogs, especially the males, if not socialized, or if allowed to fight.

When male cats are exposed to catnip, some become a bit too frisky and can even become aggressive with their owner or with other cats.

Though some male dogs may be aggressive, these dogs get on well with other pets and older children.

«The nuisance behavior often associated with feral cats is dramatically reduced through TNR, including aggressive behavior, the yowling and fighting that comes with mating activity and the odor of unneutered males spraying to mark their territory,» she said.

Unneutered male cats also have an instinct to roam and socialize with other cats, which can make your cat become aggressive and temperamental, even if he is an indoor cat.

The Dalmatian gets along well with other pets, but some may be aggressive with strange dogs; males often dislike other males.

Males that are not neutered often exhibit aggressive behaviors, including urine marking and fighting with other mMales that are not neutered often exhibit aggressive behaviors, including urine marking and fighting with other malesmales.

The highest risk group of cats are unneutered males, as their aggressive territorial behaviour leads to many battles with other unneutered males, resulting in deep infected bite wounds.

Akitas can be so aggressive with other dogs of the same sex that two males or two females should never be left alone together.

Male dogs are more aggressive and more likely to fight, especially with other male dMale dogs are more aggressive and more likely to fight, especially with other male dmale dogs.

Neutered males display less aggressive behavior and have less risk of injury in fights with other animals.

Now, there are a few notable exceptions to this rule — namely intact males who consistently have trouble getting along with other males, and female dogs who only show aggressive behavior during their heat cycles.

The Newfoundland is a gentle giant, but may be aggressive with other male dogs.

Unneutered male cats may spray your house with particularly pungent pee to mark their territory, and may even be aggressive towards their human family.

hi, im not sure if my hamster is pregnant or not she is less active then before and gained weight, she seems to be nesting and are aggressive when i try to pick her up she were like that before but before we put her with male hamster she were friendly again....