Juglans Juglans Walnut trees are any species of tree in the plant genus Juglans, the type genus of the family Juglandaceae, the seeds of which are referred to as walnuts. All species are deciduous trees, tall, with pinnate leaves , with 5–25 leaflets; the shoots have chambered pith, a character shared with the wingnuts ("Pterocarya"), but not the hickories ("Carya") in the same family. The 21 species in the genus range across the north temperate Old World from southeast Europe east to Japan, and more widely in the New World from southeast Canada west to California and south to Argentina. The
Dark-sided flycatcher It builds a cup-shaped nest 2 to 18 metres above the ground, on the branch of a tree or sometimes in a hole. Three to five eggs are laid; these are pale green with reddish markings. Dark-sided flycatcher The dark-sided flycatcher ("Muscicapa sibirica") is a small passerine bird belonging to the genus "Muscicapa" in the Old World flycatcher family Muscicapidae. It has a wide distribution in Asia with northern birds migrating south for the winter. It is also known as the Siberian flycatcher or sooty flycatcher, the latter name is also used for the sooty flycatcher ("M. infuscata") of Africa.