These calls deter strange, potentially infanticidal, males and thereby protect the female and her infant.
Six months ago, the Pace Women's Justice Center established a special program called Deter with the White Plains Police Department.
In the past three years, PRODES has shown deforestation slowing (see chart).The second programme is called DETER, an acronym that means "to detain" in Portuguese.
A better solution might be using recorded hawk calls to deter the parakeets, he added, and providing "alternate nest platforms" on poles.
In addition, surveillance systems and emergency calls would deter criminal activity.
Although he does not play down the law enforcement side of his job, which he calls essential in deterring drug dealing and drug use, he is just as quick to underscore the need for drug education and rehabilitation, especially for nonviolent offenders.
Ground squirrels for example, will make shrill alarm calls aimed at deterring bird and mammal predators (who can hear) but when faced with a snake (which doesn't hear), they don't call, but rather puff up and shake their tails.
And what if it's a headhunter with a new job offer or that old college boyfriend looking you up? Blowing a whistle or swearing into the phone is not only futile in terms of deterring calls, but it also plays into the hands of scammers and robocallers.
This close call hasn't deterred the energy industry from announcing plans to build or repurpose more than 10,000 miles of pipelines to carry dilbit to the United States and global markets.
If long calls function to deter infanticidal males from the area, then long calling and snag crashing (e.g., pushing over standing dead trees, which is thought to be used as a male display) should increase in frequency when infants are unweaned and most vulnerable.
