A piece of a wood with the traces teeths of a beaver is in a zoologist's hands. The scientist is holding a aspen log and a measuring tape and investigating the remains of food of mammals near a pond.
A piece of aspen is chewed and bitten by a beaver (Castor) in a human hands on a bank of the pond. It is a traces of animal activity of a large rodent on wood.
Close up of a caucasian man holding firewood logs in a foggy forest wearing orange raincoat during a rainy day
Man Hands Holding Firewood. Unrecognizable male caring wood logs to the house, to start a fireplace. Rustic countryside background, still life. slow living. Preparation of firewood for winter. Lots of
Man moving trunks on his yellow
wheelbarrow. Lumberjack. Woodcutter with boots and square shirt.
The scientist is writing in his notebook the data from a measuring device. The ecologist and his scientific equipment are in a natural ecosystem.
The live European river lamprey (Lampetra fluviatilis) is in male hands in outdoors.
It is mineral of organic origin. Peat of vegetable and animal origin is in the hand of the researcher. Peat material is in the males hand. A sample of peat is on the blurred background.
The humans hand and a trace of paw of mammal are on a sand. The zoologist is considering a print of a predator on a soil.
The dead fish of little salmon is in the human hands in outdoors.
The Caucasian man is holding the piece of peat in his hand. The pile of mineral of organic origin is on the ground in outdoors.