Canis Major is the 43rd biggest constellation in the night sky. It’s brightest star, Sirius (a.k.a. α Canis Majoris), is part of the winter triangle along with Betelgeuse in Orion, and Procyon in Canis Minor. It’s best seen from January to February at latitudes 56°N to 90°S.
Canis Minor is a two-star constellation while being the 71st smallest constellation in the night sky.