It’s right in the second paragraph.
This has been happening in many places in the world recently.
GMA showed clips of a Kangaroo hopping through some place in Australia down a city street. Then three penguins going for a stroll down some city street in South Africa.
It is similar to the wildlife & forest that has taken over the Chernobyl zone in the Ukraine(brown bears, wolves, etc)
2nd sentence
Wild boars, some as bulky as Rottweilers and traveling in family packs, have been trotting through Haifa in increasing numbers
Second sentence: "Wild boars, some as bulky as Rottweilers and traveling in family packs, have been trotting through Haifa in increasing numbers."