It is a large member of the Calidris sandpipers, second only to the great knot. Six subspecies are recognized. Their diet varies according to season; arthropods and larvae are the preferred food ...
Species Name: Sitta pusilla Length: 9 cm to 11 cm Weight: 10 grams to 12 grams Wingspan: 16 cm to 18 cm The brown-headed nuthatch is common throughout Alabama during all seasons but is particularly ...
Behavioural ecology in population and conservation contexts. I focus on the evolutionary ecology of animal mating and parental care strategies and systems. I examine sources of within species and ...