Jeremiah 8:7

Instinct renders migratory birds punctual in departure and arrival. How much more should man's reason and conscience exercise over him an effective control. Cp. Isaiah 1:3.

stork There are two species found in Palestine, the white and the black, the former dispersed generally in pairs over the whole country, the latter living in the deserts and in large flocks.

in the heaven at the time of their migration they fly high. (See HDB. and Tristram, Nat. Hist. of Bible, 205, 219, 246.)

turtle There are three species of turtle dove in Palestine.

swallow better, swift, or martin. All three are common in Palestine. The swift has a harsh cry, constantly repeated.

crane perhaps a species of bird akin to that preceding. It may very possibly be the swallow, but no clear indication can be got from any sense of the root in Hebrew or cognate languages.

ordinance though it is thus recognised by the lower animals.