Why do bords either fly or protect themselves from harm with their weapons?

 

Image courtesy of Darkone, CC-BY-SA-2.5,

Joel Kontinen

Why do bords either fly or protect themselves from harm with their weapons?.

 “Beetles do it, deer do it, even beetles do it, deer do it, even crabs in the sea do it. But birds don’tdo it.,  

Very few  birds have weapons. .

“ To answer that, the researchers ran a number of simulations and models, which showed that bony spurs could impose a heavy evolutionary cost. While it’s true that weapons, like plumage, dancing and the ability to sing helps attract a mate and so are an advantage in sexual selection, the spurs make flying a more energy-intensive activity. ” 

The question might be answered. God never wantef birds to be killers,, even in a post Fall world, they are mostly peaceful. 

source:

  How Birds Are Helping to Reveal the Mysteries of Evolution (University of Massachusetts at Amherst, 24 Februry.

Beavers Help Moose and Otters

Image courtesy of Cszmurlo, Cc By-Sa 3.0.



Joel Kontinen

Beavers are known to clean polluted waters. Some evolutionists assume that a beaver could be the whale ancestor.

Nature is not necessarily red in tooth and claw. Even in the post-Fall world, we can see glimpses of peace, co-operation and goodness that defy naïve Darwinian explanations.

Here’s now New Science writes about beavers:

"A whole host of different mammals appear to benefit from having beavers in the area. In forests where beavers have been introduced in Finland, their presence is linked to increased activity of several species, including moose, otters, and weasels.

Beavers are described as 'ecosystem engineers' because their dam-building work has such a huge effect on habitats. Both the Eurasian beaver and the American beaver were almost driven extinct by hunting in the early 20th century, but they have since recovered in North America."

Source:

Wong, Sam. 2019. Beavers engineer their ecosystems in a way that helps moose and otters. New Scientist (5 July).