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[Parenting] Birds nesting in trees, is safety guaranteed?

Photo Source: Pixar Bay

Birds build their nests in a variety of different ways. Some birds are nesting in the hole, not the tree, and the steak is well known to nest in a hole in the tree. However, the safety of these birds may not be protected.

A study by Tomas Wessroovsky of the University of Wrocław in Poland showed how the rustling of the rainforest in the Biowavea zone between Poland and Belorussi could survive the predators' attack. The attack of green woodpecker is 60%, and the attack of wintertime mouse is 100%.

The rattlesnake can nest within the reach of predators. This is the only way they get out of the attack. Rubble makes the entrance to the nest very small so that predators can not enter. However, this is only possible if the nesting wall is not a solid tree.

The other way is that the rattlesnake nest and hide in a deeper hole. This method is very safe, but most birds do not build nests in this way. Parents are hard to do.

Wesorovsky carried out research in the Biau Biezza forest area because tree holes were frequently found. But it was hard to witness the birds themselves.

Wesorovsky says, "The Biau Biezza forest area is still primitive. Research is difficult because of the height of the trees that have grown so long. There are also not many species of millet, and on average 5-7 hectares of forests have a breeding nest. It takes a lot of patience to study. "

Christina Cocle of the Bird Scientist and the Scientific and Technical Research Council of Argentina conducted extensive research on the nest hole.

"To understand the evolution of nesting behavior, Cockle tried to quantify how many ornithologists defeated predators of birds. We compared nests that failed to eradicate predators to successful nests, but this approach is limited because we can not distinguish between the various factors that contributed to successful nesting. "

A new study by Wesolovsky compared surviving nests that were attacked by predators. Through this approach, the authors were able to identify the physical properties of wood holes that animals attacked from birds' nests, from woodpeckers to winter rats.

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